3323125

素因数分解:

$5^4\times {\mathrm{13}}^1\times {\mathrm{409}}^1$

素因数の和:442

約数の個数: 20

約数和(自身を含む): 4482940

約数和(自身を除く): 1159815

約数列:

[1, 5, 13, 25, 65, 125, 325, 409, 625, 1625, 2045, 5317, 8125, 10225, 26585, 51125, 132925, 255625, 664625, 3323125]

約数ペア:

[(1, 3323125), (5, 664625), (13, 255625), (25, 132925), (65, 51125), (125, 26585), (325, 10225), (409, 8125), (625, 5317), (1625, 2045)]