39425420

素因数分解:

$2^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{10891}}^1$

素因数の和:11081

約数の個数: 24

約数和(自身を含む): 83258448

約数和(自身を除く): 43833028

約数列:

[1, 2, 4, 5, 10, 20, 181, 362, 724, 905, 1810, 3620, 10891, 21782, 43564, 54455, 108910, 217820, 1971271, 3942542, 7885084, 9856355, 19712710, 39425420]

約数ペア:

[(1, 39425420), (2, 19712710), (4, 9856355), (5, 7885084), (10, 3942542), (20, 1971271), (181, 217820), (362, 108910), (724, 54455), (905, 43564), (1810, 21782), (3620, 10891)]