15679317620

素因数分解:

$2^2\times 5^1\times {\mathrm{3881}}^1\times {\mathrm{202001}}^1$

素因数の和:205891

約数の個数: 24

約数和(自身を含む): 32935214088

約数和(自身を除く): 17255896468

約数列:

[1, 2, 4, 5, 10, 20, 3881, 7762, 15524, 19405, 38810, 77620, 202001, 404002, 808004, 1010005, 2020010, 4040020, 783965881, 1567931762, 3135863524, 3919829405, 7839658810, 15679317620]

約数ペア:

[(1, 15679317620), (2, 7839658810), (4, 3919829405), (5, 3135863524), (10, 1567931762), (20, 783965881), (3881, 4040020), (7762, 2020010), (15524, 1010005), (19405, 808004), (38810, 404002), (77620, 202001)]