57537820

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{21961}}^1$

素因数の和:22101

約数の個数: 24

約数和(自身を含む): 121757328

約数和(自身を除く): 64219508

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 2620, 21961, 43922, 87844, 109805, 219610, 439220, 2876891, 5753782, 11507564, 14384455, 28768910, 57537820]

約数ペア:

[(1, 57537820), (2, 28768910), (4, 14384455), (5, 11507564), (10, 5753782), (20, 2876891), (131, 439220), (262, 219610), (524, 109805), (655, 87844), (1310, 43922), (2620, 21961)]