22008025

素因数分解:

$5^2\times {\mathrm{13}}^2\times {\mathrm{5209}}^1$

素因数の和:5245

約数の個数: 18

約数和(自身を含む): 29556330

約数和(自身を除く): 7548305

約数列:

[1, 5, 13, 25, 65, 169, 325, 845, 4225, 5209, 26045, 67717, 130225, 338585, 880321, 1692925, 4401605, 22008025]

約数ペア:

[(1, 22008025), (5, 4401605), (13, 1692925), (25, 880321), (65, 338585), (169, 130225), (325, 67717), (845, 26045), (4225, 5209)]