15996980

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{27581}}^1$

素因数の和:27619

約数の個数: 24

約数和(自身を含む): 34753320

約数和(自身を除く): 18756340

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 27581, 55162, 110324, 137905, 275810, 551620, 799849, 1599698, 3199396, 3999245, 7998490, 15996980]

約数ペア:

[(1, 15996980), (2, 7998490), (4, 3999245), (5, 3199396), (10, 1599698), (20, 799849), (29, 551620), (58, 275810), (116, 137905), (145, 110324), (290, 55162), (580, 27581)]