22205375

素因数分解:

$5^3\times {\mathrm{401}}^1\times {\mathrm{443}}^1$

素因数の和:859

約数の個数: 16

約数和(自身を含む): 27844128

約数和(自身を除く): 5638753

約数列:

[1, 5, 25, 125, 401, 443, 2005, 2215, 10025, 11075, 50125, 55375, 177643, 888215, 4441075, 22205375]

約数ペア:

[(1, 22205375), (5, 4441075), (25, 888215), (125, 177643), (401, 55375), (443, 50125), (2005, 11075), (2215, 10025)]