115972025

素因数分解:

$5^2\times {\mathrm{13}}^2\times {\mathrm{27449}}^1$

素因数の和:27485

約数の個数: 18

約数和(自身を含む): 155723850

約数和(自身を除く): 39751825

約数列:

[1, 5, 13, 25, 65, 169, 325, 845, 4225, 27449, 137245, 356837, 686225, 1784185, 4638881, 8920925, 23194405, 115972025]

約数ペア:

[(1, 115972025), (5, 23194405), (13, 8920925), (25, 4638881), (65, 1784185), (169, 686225), (325, 356837), (845, 137245), (4225, 27449)]