57275660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{220291}}^1$

素因数の和:220313

約数の個数: 24

約数和(自身を含む): 129531696

約数和(自身を除く): 72256036

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 220291, 440582, 881164, 1101455, 2202910, 2863783, 4405820, 5727566, 11455132, 14318915, 28637830, 57275660]

約数ペア:

[(1, 57275660), (2, 28637830), (4, 14318915), (5, 11455132), (10, 5727566), (13, 4405820), (20, 2863783), (26, 2202910), (52, 1101455), (65, 881164), (130, 440582), (260, 220291)]