25417925

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{397}}^1$

素因数の和:617

約数の個数: 24

約数和(自身を含む): 34200936

約数和(自身を除く): 8783011

約数列:

[1, 5, 13, 25, 65, 197, 325, 397, 985, 1985, 2561, 4925, 5161, 9925, 12805, 25805, 64025, 78209, 129025, 391045, 1016717, 1955225, 5083585, 25417925]

約数ペア:

[(1, 25417925), (5, 5083585), (13, 1955225), (25, 1016717), (65, 391045), (197, 129025), (325, 78209), (397, 64025), (985, 25805), (1985, 12805), (2561, 9925), (4925, 5161)]