208049558960

素因数分解:

$2^4\times 5^1\times {\mathrm{2600619487}}^1$

素因数の和:2600619500

約数の個数: 20

約数和(自身を含む): 483715224768

約数和(自身を除く): 275665665808

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2600619487, 5201238974, 10402477948, 13003097435, 20804955896, 26006194870, 41609911792, 52012389740, 104024779480, 208049558960]

約数ペア:

[(1, 208049558960), (2, 104024779480), (4, 52012389740), (5, 41609911792), (8, 26006194870), (10, 20804955896), (16, 13003097435), (20, 10402477948), (40, 5201238974), (80, 2600619487)]