16852025

素因数分解:

$5^2\times {\mathrm{41}}^2\times {\mathrm{401}}^1$

素因数の和:493

約数の個数: 18

約数和(自身を含む): 21472026

約数和(自身を除く): 4620001

約数列:

[1, 5, 25, 41, 205, 401, 1025, 1681, 2005, 8405, 10025, 16441, 42025, 82205, 411025, 674081, 3370405, 16852025]

約数ペア:

[(1, 16852025), (5, 3370405), (25, 674081), (41, 411025), (205, 82205), (401, 42025), (1025, 16441), (1681, 10025), (2005, 8405)]