25269725

素因数分解:

$5^2\times {\mathrm{13}}^2\times {\mathrm{5981}}^1$

素因数の和:6017

約数の個数: 18

約数和(自身を含む): 33935886

約数和(自身を除く): 8666161

約数列:

[1, 5, 13, 25, 65, 169, 325, 845, 4225, 5981, 29905, 77753, 149525, 388765, 1010789, 1943825, 5053945, 25269725]

約数ペア:

[(1, 25269725), (5, 5053945), (13, 1943825), (25, 1010789), (65, 388765), (169, 149525), (325, 77753), (845, 29905), (4225, 5981)]