28716680

素因数分解:

$2^3\times 5^1\times {\mathrm{717917}}^1$

素因数の和:717928

約数の個数: 16

約数和(自身を含む): 64612620

約数和(自身を除く): 35895940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 717917, 1435834, 2871668, 3589585, 5743336, 7179170, 14358340, 28716680]

約数ペア:

[(1, 28716680), (2, 14358340), (4, 7179170), (5, 5743336), (8, 3589585), (10, 2871668), (20, 1435834), (40, 717917)]