3978025

素因数分解:

$5^2\times {\mathrm{41}}^1\times {\mathrm{3881}}^1$

素因数の和:3932

約数の個数: 12

約数和(自身を含む): 5054364

約数和(自身を除く): 1076339

約数列:

[1, 5, 25, 41, 205, 1025, 3881, 19405, 97025, 159121, 795605, 3978025]

約数ペア:

[(1, 3978025), (5, 795605), (25, 159121), (41, 97025), (205, 19405), (1025, 3881)]