2530775

素因数分解:

$5^2\times {\mathrm{13}}^2\times {\mathrm{599}}^1$

素因数の和:635

約数の個数: 18

約数和(自身を含む): 3403800

約数和(自身を除く): 873025

約数列:

[1, 5, 13, 25, 65, 169, 325, 599, 845, 2995, 4225, 7787, 14975, 38935, 101231, 194675, 506155, 2530775]

約数ペア:

[(1, 2530775), (5, 506155), (13, 194675), (25, 101231), (65, 38935), (169, 14975), (325, 7787), (599, 4225), (845, 2995)]