20002291025

素因数分解:

$5^2\times {\mathrm{113}}^1\times {\mathrm{401}}^1\times {\mathrm{17657}}^1$

素因数の和:18181

約数の個数: 24

約数和(自身を含む): 25086155544

約数和(自身を除く): 5083864519

約数列:

[1, 5, 25, 113, 401, 565, 2005, 2825, 10025, 17657, 45313, 88285, 226565, 441425, 1132825, 1995241, 7080457, 9976205, 35402285, 49881025, 177011425, 800091641, 4000458205, 20002291025]

約数ペア:

[(1, 20002291025), (5, 4000458205), (25, 800091641), (113, 177011425), (401, 49881025), (565, 35402285), (2005, 9976205), (2825, 7080457), (10025, 1995241), (17657, 1132825), (45313, 441425), (88285, 226565)]