8422220

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{10271}}^1$

素因数の和:10321

約数の個数: 24

約数和(自身を含む): 18119808

約数和(自身を除く): 9697588

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 10271, 20542, 41084, 51355, 102710, 205420, 421111, 842222, 1684444, 2105555, 4211110, 8422220]

約数ペア:

[(1, 8422220), (2, 4211110), (4, 2105555), (5, 1684444), (10, 842222), (20, 421111), (41, 205420), (82, 102710), (164, 51355), (205, 41084), (410, 20542), (820, 10271)]