6477620

素因数分解:

$2^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{1987}}^1$

素因数の和:2159

約数の個数: 24

約数和(自身を含む): 13693344

約数和(自身を除く): 7215724

約数列:

[1, 2, 4, 5, 10, 20, 163, 326, 652, 815, 1630, 1987, 3260, 3974, 7948, 9935, 19870, 39740, 323881, 647762, 1295524, 1619405, 3238810, 6477620]

約数ペア:

[(1, 6477620), (2, 3238810), (4, 1619405), (5, 1295524), (10, 647762), (20, 323881), (163, 39740), (326, 19870), (652, 9935), (815, 7948), (1630, 3974), (1987, 3260)]