8613680

素因数分解:

$2^4\times 5^1\times {\mathrm{107671}}^1$

素因数の和:107684

約数の個数: 20

約数和(自身を含む): 20026992

約数和(自身を除く): 11413312

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 107671, 215342, 430684, 538355, 861368, 1076710, 1722736, 2153420, 4306840, 8613680]

約数ペア:

[(1, 8613680), (2, 4306840), (4, 2153420), (5, 1722736), (8, 1076710), (10, 861368), (16, 538355), (20, 430684), (40, 215342), (80, 107671)]