68622220

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{110681}}^1$

素因数の和:110721

約数の個数: 24

約数和(自身を含む): 148756608

約数和(自身を除く): 80134388

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 110681, 221362, 442724, 553405, 1106810, 2213620, 3431111, 6862222, 13724444, 17155555, 34311110, 68622220]

約数ペア:

[(1, 68622220), (2, 34311110), (4, 17155555), (5, 13724444), (10, 6862222), (20, 3431111), (31, 2213620), (62, 1106810), (124, 553405), (155, 442724), (310, 221362), (620, 110681)]