264919525

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{409}}^1\times {\mathrm{1993}}^1$

素因数の和:2425

約数の個数: 24

約数和(自身を含む): 354812360

約数和(自身を除く): 89892835

約数列:

[1, 5, 13, 25, 65, 325, 409, 1993, 2045, 5317, 9965, 10225, 25909, 26585, 49825, 129545, 132925, 647725, 815137, 4075685, 10596781, 20378425, 52983905, 264919525]

約数ペア:

[(1, 264919525), (5, 52983905), (13, 20378425), (25, 10596781), (65, 4075685), (325, 815137), (409, 647725), (1993, 132925), (2045, 129545), (5317, 49825), (9965, 26585), (10225, 25909)]