31897820

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{15791}}^1$

素因数の和:15901

約数の個数: 24

約数和(自身を含む): 67652928

約数和(自身を除く): 35755108

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020, 15791, 31582, 63164, 78955, 157910, 315820, 1594891, 3189782, 6379564, 7974455, 15948910, 31897820]

約数ペア:

[(1, 31897820), (2, 15948910), (4, 7974455), (5, 6379564), (10, 3189782), (20, 1594891), (101, 315820), (202, 157910), (404, 78955), (505, 63164), (1010, 31582), (2020, 15791)]