2517640

素因数分解:

$2^3\times 5^1\times {\mathrm{113}}^1\times {\mathrm{557}}^1$

素因数の和:681

約数の個数: 32

約数和(自身を含む): 5725080

約数和(自身を除く): 3207440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 113, 226, 452, 557, 565, 904, 1114, 1130, 2228, 2260, 2785, 4456, 4520, 5570, 11140, 22280, 62941, 125882, 251764, 314705, 503528, 629410, 1258820, 2517640]

約数ペア:

[(1, 2517640), (2, 1258820), (4, 629410), (5, 503528), (8, 314705), (10, 251764), (20, 125882), (40, 62941), (113, 22280), (226, 11140), (452, 5570), (557, 4520), (565, 4456), (904, 2785), (1114, 2260), (1130, 2228)]