31624580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{121633}}^1$

素因数の和:121655

約数の個数: 24

約数和(自身を含む): 71520792

約数和(自身を除く): 39896212

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 121633, 243266, 486532, 608165, 1216330, 1581229, 2432660, 3162458, 6324916, 7906145, 15812290, 31624580]

約数ペア:

[(1, 31624580), (2, 15812290), (4, 7906145), (5, 6324916), (10, 3162458), (13, 2432660), (20, 1581229), (26, 1216330), (52, 608165), (65, 486532), (130, 243266), (260, 121633)]