2040243025

素因数分解:

$5^2\times {\mathrm{41}}^1\times {\mathrm{1990481}}^1$

素因数の和:1990532

約数の個数: 12

約数和(自身を含む): 2591607564

約数和(自身を除く): 551364539

約数列:

[1, 5, 25, 41, 205, 1025, 1990481, 9952405, 49762025, 81609721, 408048605, 2040243025]

約数ペア:

[(1, 2040243025), (5, 408048605), (25, 81609721), (41, 49762025), (205, 9952405), (1025, 1990481)]