2015808580

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{725111}}^1$

素因数の和:725259

約数の個数: 24

約数和(自身を含む): 4263658560

約数和(自身を除く): 2247849980

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1390, 2780, 725111, 1450222, 2900444, 3625555, 7251110, 14502220, 100790429, 201580858, 403161716, 503952145, 1007904290, 2015808580]

約数ペア:

[(1, 2015808580), (2, 1007904290), (4, 503952145), (5, 403161716), (10, 201580858), (20, 100790429), (139, 14502220), (278, 7251110), (556, 3625555), (695, 2900444), (1390, 1450222), (2780, 725111)]