8861680

素因数分解:

$2^4\times 5^1\times {\mathrm{110771}}^1$

素因数の和:110784

約数の個数: 20

約数和(自身を含む): 20603592

約数和(自身を除く): 11741912

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 110771, 221542, 443084, 553855, 886168, 1107710, 1772336, 2215420, 4430840, 8861680]

約数ペア:

[(1, 8861680), (2, 4430840), (4, 2215420), (5, 1772336), (8, 1107710), (10, 886168), (16, 553855), (20, 443084), (40, 221542), (80, 110771)]