40851875

素因数分解:

$5^4\times {\mathrm{163}}^1\times {\mathrm{401}}^1$

素因数の和:584

約数の個数: 20

約数和(自身を含む): 51489768

約数和(自身を除く): 10637893

約数列:

[1, 5, 25, 125, 163, 401, 625, 815, 2005, 4075, 10025, 20375, 50125, 65363, 101875, 250625, 326815, 1634075, 8170375, 40851875]

約数ペア:

[(1, 40851875), (5, 8170375), (25, 1634075), (125, 326815), (163, 250625), (401, 101875), (625, 65363), (815, 50125), (2005, 20375), (4075, 10025)]