51160525

素因数分解:

$5^2\times {\mathrm{13}}^2\times {\mathrm{12109}}^1$

素因数の和:12145

約数の個数: 18

約数和(自身を含む): 68700030

約数和(自身を除く): 17539505

約数列:

[1, 5, 13, 25, 65, 169, 325, 845, 4225, 12109, 60545, 157417, 302725, 787085, 2046421, 3935425, 10232105, 51160525]

約数ペア:

[(1, 51160525), (5, 10232105), (13, 3935425), (25, 2046421), (65, 787085), (169, 302725), (325, 157417), (845, 60545), (4225, 12109)]