65131025

素因数分解:

$5^2\times {\mathrm{43}}^2\times {\mathrm{1409}}^1$

素因数の和:1505

約数の個数: 18

約数和(自身を含む): 82743030

約数和(自身を除く): 17612005

約数列:

[1, 5, 25, 43, 215, 1075, 1409, 1849, 7045, 9245, 35225, 46225, 60587, 302935, 1514675, 2605241, 13026205, 65131025]

約数ペア:

[(1, 65131025), (5, 13026205), (25, 2605241), (43, 1514675), (215, 302935), (1075, 60587), (1409, 46225), (1849, 35225), (7045, 9245)]