40282240

素因数分解:

$2^7\times 5^1\times {\mathrm{113}}^1\times {\mathrm{557}}^1$

素因数の和:689

約数の個数: 64

約数和(自身を含む): 97326360

約数和(自身を除く): 57044120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 113, 128, 160, 226, 320, 452, 557, 565, 640, 904, 1114, 1130, 1808, 2228, 2260, 2785, 3616, 4456, 4520, 5570, 7232, 8912, 9040, 11140, 14464, 17824, 18080, 22280, 35648, 36160, 44560, 62941, 71296, 72320, 89120, 125882, 178240, 251764, 314705, 356480, 503528, 629410, 1007056, 1258820, 2014112, 2517640, 4028224, 5035280, 8056448, 10070560, 20141120, 40282240]

約数ペア:

[(1, 40282240), (2, 20141120), (4, 10070560), (5, 8056448), (8, 5035280), (10, 4028224), (16, 2517640), (20, 2014112), (32, 1258820), (40, 1007056), (64, 629410), (80, 503528), (113, 356480), (128, 314705), (160, 251764), (226, 178240), (320, 125882), (452, 89120), (557, 72320), (565, 71296), (640, 62941), (904, 44560), (1114, 36160), (1130, 35648), (1808, 22280), (2228, 18080), (2260, 17824), (2785, 14464), (3616, 11140), (4456, 9040), (4520, 8912), (5570, 7232)]