22638125

素因数分解:

$5^4\times {\mathrm{29}}^1\times {\mathrm{1249}}^1$

素因数の和:1298

約数の個数: 20

約数和(自身を含む): 29287500

約数和(自身を除く): 6649375

約数列:

[1, 5, 25, 29, 125, 145, 625, 725, 1249, 3625, 6245, 18125, 31225, 36221, 156125, 181105, 780625, 905525, 4527625, 22638125]

約数ペア:

[(1, 22638125), (5, 4527625), (25, 905525), (29, 780625), (125, 181105), (145, 156125), (625, 36221), (725, 31225), (1249, 18125), (3625, 6245)]