31887820

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{54979}}^1$

素因数の和:55017

約数の個数: 24

約数和(自身を含む): 69274800

約数和(自身を除く): 37386980

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 54979, 109958, 219916, 274895, 549790, 1099580, 1594391, 3188782, 6377564, 7971955, 15943910, 31887820]

約数ペア:

[(1, 31887820), (2, 15943910), (4, 7971955), (5, 6377564), (10, 3188782), (20, 1594391), (29, 1099580), (58, 549790), (116, 274895), (145, 219916), (290, 109958), (580, 54979)]