20037625

素因数分解:

$5^3\times {\mathrm{31}}^1\times {\mathrm{5171}}^1$

素因数の和:5217

約数の個数: 16

約数和(自身を含む): 25818624

約数和(自身を除く): 5780999

約数列:

[1, 5, 25, 31, 125, 155, 775, 3875, 5171, 25855, 129275, 160301, 646375, 801505, 4007525, 20037625]

約数ペア:

[(1, 20037625), (5, 4007525), (25, 801505), (31, 646375), (125, 160301), (155, 129275), (775, 25855), (3875, 5171)]