25128680

素因数分解:

$2^3\times 5^1\times {\mathrm{628217}}^1$

素因数の和:628228

約数の個数: 16

約数和(自身を含む): 56539620

約数和(自身を除く): 31410940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 628217, 1256434, 2512868, 3141085, 5025736, 6282170, 12564340, 25128680]

約数ペア:

[(1, 25128680), (2, 12564340), (4, 6282170), (5, 5025736), (8, 3141085), (10, 2512868), (20, 1256434), (40, 628217)]