18125825

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{42649}}^1$

素因数の和:42676

約数の個数: 12

約数和(自身を含む): 23798700

約数和(自身を除く): 5672875

約数列:

[1, 5, 17, 25, 85, 425, 42649, 213245, 725033, 1066225, 3625165, 18125825]

約数ペア:

[(1, 18125825), (5, 3625165), (17, 1066225), (25, 725033), (85, 213245), (425, 42649)]