77400025

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{99871}}^1$

素因数の和:99912

約数の個数: 12

約数和(自身を含む): 99073024

約数和(自身を除く): 21672999

約数列:

[1, 5, 25, 31, 155, 775, 99871, 499355, 2496775, 3096001, 15480005, 77400025]

約数ペア:

[(1, 77400025), (5, 15480005), (25, 3096001), (31, 2496775), (155, 499355), (775, 99871)]