90440390

素因数分解:

$2^1\times 5^1\times {\mathrm{521}}^1\times {\mathrm{17359}}^1$

素因数の和:17887

約数の個数: 16

約数和(自身を含む): 163114560

約数和(自身を除く): 72674170

約数列:

[1, 2, 5, 10, 521, 1042, 2605, 5210, 17359, 34718, 86795, 173590, 9044039, 18088078, 45220195, 90440390]

約数ペア:

[(1, 90440390), (2, 45220195), (5, 18088078), (10, 9044039), (521, 173590), (1042, 86795), (2605, 34718), (5210, 17359)]