164473520

素因数分解:

$2^4\times 5^1\times {\mathrm{163}}^1\times {\mathrm{12613}}^1$

素因数の和:12789

約数の個数: 40

約数和(自身を含む): 384777456

約数和(自身を除く): 220303936

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 163, 326, 652, 815, 1304, 1630, 2608, 3260, 6520, 12613, 13040, 25226, 50452, 63065, 100904, 126130, 201808, 252260, 504520, 1009040, 2055919, 4111838, 8223676, 10279595, 16447352, 20559190, 32894704, 41118380, 82236760, 164473520]

約数ペア:

[(1, 164473520), (2, 82236760), (4, 41118380), (5, 32894704), (8, 20559190), (10, 16447352), (16, 10279595), (20, 8223676), (40, 4111838), (80, 2055919), (163, 1009040), (326, 504520), (652, 252260), (815, 201808), (1304, 126130), (1630, 100904), (2608, 63065), (3260, 50452), (6520, 25226), (12613, 13040)]