123717620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{475837}}^1$

素因数の和:475859

約数の個数: 24

約数和(自身を含む): 279792744

約数和(自身を除く): 156075124

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 475837, 951674, 1903348, 2379185, 4758370, 6185881, 9516740, 12371762, 24743524, 30929405, 61858810, 123717620]

約数ペア:

[(1, 123717620), (2, 61858810), (4, 30929405), (5, 24743524), (10, 12371762), (13, 9516740), (20, 6185881), (26, 4758370), (52, 2379185), (65, 1903348), (130, 951674), (260, 475837)]