4080342220

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{1467749}}^1$

素因数の和:1467897

約数の個数: 24

約数和(自身を含む): 8630370000

約数和(自身を除く): 4550027780

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1390, 2780, 1467749, 2935498, 5870996, 7338745, 14677490, 29354980, 204017111, 408034222, 816068444, 1020085555, 2040171110, 4080342220]

約数ペア:

[(1, 4080342220), (2, 2040171110), (4, 1020085555), (5, 816068444), (10, 408034222), (20, 204017111), (139, 29354980), (278, 14677490), (556, 7338745), (695, 5870996), (1390, 2935498), (2780, 1467749)]