28613680

素因数分解:

$2^4\times 5^1\times {\mathrm{357671}}^1$

素因数の和:357684

約数の個数: 20

約数和(自身を含む): 66526992

約数和(自身を除く): 37913312

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 357671, 715342, 1430684, 1788355, 2861368, 3576710, 5722736, 7153420, 14306840, 28613680]

約数ペア:

[(1, 28613680), (2, 14306840), (4, 7153420), (5, 5722736), (8, 3576710), (10, 2861368), (16, 1788355), (20, 1430684), (40, 715342), (80, 357671)]