40260025

素因数分解:

$5^2\times {\mathrm{13}}^3\times {\mathrm{733}}^1$

素因数の和:782

約数の個数: 24

約数和(自身を含む): 54154520

約数和(自身を除く): 13894495

約数列:

[1, 5, 13, 25, 65, 169, 325, 733, 845, 2197, 3665, 4225, 9529, 10985, 18325, 47645, 54925, 123877, 238225, 619385, 1610401, 3096925, 8052005, 40260025]

約数ペア:

[(1, 40260025), (5, 8052005), (13, 3096925), (25, 1610401), (65, 619385), (169, 238225), (325, 123877), (733, 54925), (845, 47645), (2197, 18325), (3665, 10985), (4225, 9529)]