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abundant n.  and  iban n.

First numbers that belong to both sets:

12, 20, 24, 40, 42, 70, 72, 100, 102, 104, 112, 114, 120, 140, 144, 174, 200, 204, 210, 220, 222, 224, 240, 270, 272, 300, 304, 312, 320, 324, 340, 342, 372, 400, 402, 414, 420, 440, 444, 474, 700, 702, 704, 714, 720, 740, 744, 770, 774, 1000, 1002, 1014, 1020, 1040, 1044, 1074, 1100, 1104, 1110, 1120, 1122, 1140, 1144, 1170, 1200, 1204, 1212, 1220, 1224, 1240, 1242, 1272, 1300, 1302, 1312, 1314, 1320, 1340, 1344, 1372, 1374, 1400, 1404, 1410, 1420, 1422, 1440, 1470, 1472, 1700, 1704, 1710, 1720, 1722, 1740, 1770, 2000, 2002, 2004, 2010, 2020, 2022, 2024, 2040, 2044, 2070, 2072, 2100, 2112, 2120, 2124, 2140, 2142, 2170, 2172, 2200, 2202, 2210, 2212, 2214, 2220, 2240, 2244, 2274, 2300, 2304, 2310, 2320, 2322, 2324, 2340, 2370, 2400, 2412, 2420, 2424, 2440, 2442, 2470, 2472, 2700, 2704, 2712, 2720, 2724, 2740, 2742, 2744, 2772, 3000, 3010, 3012, 3020, 3024, 3040, 3042, 3072, 3100, 3102, 3114, 3120, 3140, 3144, 3174, 3200, 3204, 3210, 3220, 3222, 3224, 3240, 3270, 3300, 3304, 3312, 3320, 3324, 3340, 3342, 3344, 3372, 3400, 3402, 3410, 3414, 3420, 3440, 3444, 3472, 3474, 3700, 3702, 3710, 3712, 3714, 3720, 3724, 3740, 3744, 3770, 3774, 4000, 4002, 4004, 4014, 4020, 4040, 4044, 4070, 4074, 4100, 4104, 4110, 4120, 4122, 4140, 4144, 4170, 4172, 4200, 4212, 4220, 4224, 4240, 4242, 4270, 4272, 4300, 4302, 4312, 4314, 4320, 4340, 4344, 4374, 4400, 4404, 4410, 4420, 4422, 4424, 4440, 4470, 4472, 4700, 4704, 4710, 4712, 4720, 4722, 4740, 4770, 7000, 7002, 7014, 7020, 7040, 7044, 7070, 7072, 7074, 7100, 7104, 7110, 7112, 7120, 7122, 7140, 7144, 7170, 7200, 7210, 7212, 7220, 7224, 7240, 7242, 7272, 7300, 7302.

Some larger examples :