22688125

素因数分解:

$5^4\times {\mathrm{31}}^1\times {\mathrm{1171}}^1$

素因数の和:1222

約数の個数: 20

約数和(自身を含む): 29290624

約数和(自身を除く): 6602499

約数列:

[1, 5, 25, 31, 125, 155, 625, 775, 1171, 3875, 5855, 19375, 29275, 36301, 146375, 181505, 731875, 907525, 4537625, 22688125]

約数ペア:

[(1, 22688125), (5, 4537625), (25, 907525), (31, 731875), (125, 181505), (155, 146375), (625, 36301), (775, 29275), (1171, 19375), (3875, 5855)]