391476080

素因数分解:

$2^4\times 5^1\times {\mathrm{4893451}}^1$

素因数の和:4893464

約数の個数: 20

約数和(自身を含む): 910182072

約数和(自身を除く): 518705992

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 4893451, 9786902, 19573804, 24467255, 39147608, 48934510, 78295216, 97869020, 195738040, 391476080]

約数ペア:

[(1, 391476080), (2, 195738040), (4, 97869020), (5, 78295216), (8, 48934510), (10, 39147608), (16, 24467255), (20, 19573804), (40, 9786902), (80, 4893451)]