265850

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{409}}^1$

素因数の和:434

約数の個数: 24

約数和(自身を含む): 533820

約数和(自身を除く): 267970

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 409, 650, 818, 2045, 4090, 5317, 10225, 10634, 20450, 26585, 53170, 132925, 265850]

約数ペア:

[(1, 265850), (2, 132925), (5, 53170), (10, 26585), (13, 20450), (25, 10634), (26, 10225), (50, 5317), (65, 4090), (130, 2045), (325, 818), (409, 650)]