52771225

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{397}}^1\times {\mathrm{409}}^1$

素因数の和:829

約数の個数: 24

約数和(自身を含む): 70820120

約数和(自身を除く): 18048895

約数列:

[1, 5, 13, 25, 65, 325, 397, 409, 1985, 2045, 5161, 5317, 9925, 10225, 25805, 26585, 129025, 132925, 162373, 811865, 2110849, 4059325, 10554245, 52771225]

約数ペア:

[(1, 52771225), (5, 10554245), (13, 4059325), (25, 2110849), (65, 811865), (325, 162373), (397, 132925), (409, 129025), (1985, 26585), (2045, 25805), (5161, 10225), (5317, 9925)]