79408025

素因数分解:

$5^2\times {\mathrm{89}}^2\times {\mathrm{401}}^1$

素因数の和:589

約数の個数: 18

約数和(自身を含む): 99833082

約数和(自身を除く): 20425057

約数列:

[1, 5, 25, 89, 401, 445, 2005, 2225, 7921, 10025, 35689, 39605, 178445, 198025, 892225, 3176321, 15881605, 79408025]

約数ペア:

[(1, 79408025), (5, 15881605), (25, 3176321), (89, 892225), (401, 198025), (445, 178445), (2005, 39605), (2225, 35689), (7921, 10025)]