8717420

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{10631}}^1$

素因数の和:10681

約数の個数: 24

約数和(自身を含む): 18754848

約数和(自身を除く): 10037428

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 10631, 21262, 42524, 53155, 106310, 212620, 435871, 871742, 1743484, 2179355, 4358710, 8717420]

約数ペア:

[(1, 8717420), (2, 4358710), (4, 2179355), (5, 1743484), (10, 871742), (20, 435871), (41, 212620), (82, 106310), (164, 53155), (205, 42524), (410, 21262), (820, 10631)]