5200975

素因数分解:

$5^2\times {\mathrm{13}}^2\times {\mathrm{1231}}^1$

素因数の和:1267

約数の個数: 18

約数和(自身を含む): 6989136

約数和(自身を除く): 1788161

約数列:

[1, 5, 13, 25, 65, 169, 325, 845, 1231, 4225, 6155, 16003, 30775, 80015, 208039, 400075, 1040195, 5200975]

約数ペア:

[(1, 5200975), (5, 1040195), (13, 400075), (25, 208039), (65, 80015), (169, 30775), (325, 16003), (845, 6155), (1231, 4225)]