26329375

素因数分解:

$5^4\times {\mathrm{103}}^1\times {\mathrm{409}}^1$

素因数の和:532

約数の個数: 20

約数和(自身を含む): 33301840

約数和(自身を除く): 6972465

約数列:

[1, 5, 25, 103, 125, 409, 515, 625, 2045, 2575, 10225, 12875, 42127, 51125, 64375, 210635, 255625, 1053175, 5265875, 26329375]

約数ペア:

[(1, 26329375), (5, 5265875), (25, 1053175), (103, 255625), (125, 210635), (409, 64375), (515, 51125), (625, 42127), (2045, 12875), (2575, 10225)]