42288025

素因数分解:

$5^2\times {\mathrm{13}}^2\times {\mathrm{10009}}^1$

素因数の和:10045

約数の個数: 18

約数和(自身を含む): 56786730

約数和(自身を除く): 14498705

約数列:

[1, 5, 13, 25, 65, 169, 325, 845, 4225, 10009, 50045, 130117, 250225, 650585, 1691521, 3252925, 8457605, 42288025]

約数ペア:

[(1, 42288025), (5, 8457605), (13, 3252925), (25, 1691521), (65, 650585), (169, 250225), (325, 130117), (845, 50045), (4225, 10009)]