72176080

素因数分解:

$2^4\times 5^1\times {\mathrm{902201}}^1$

素因数の和:902214

約数の個数: 20

約数和(自身を含む): 167809572

約数和(自身を除く): 95633492

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 902201, 1804402, 3608804, 4511005, 7217608, 9022010, 14435216, 18044020, 36088040, 72176080]

約数ペア:

[(1, 72176080), (2, 36088040), (4, 18044020), (5, 14435216), (8, 9022010), (10, 7217608), (16, 4511005), (20, 3608804), (40, 1804402), (80, 902201)]