57921025

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{1999}}^1$

素因数の和:2089

約数の個数: 24

約数和(自身を含む): 76880000

約数和(自身を除く): 18958975

約数列:

[1, 5, 19, 25, 61, 95, 305, 475, 1159, 1525, 1999, 5795, 9995, 28975, 37981, 49975, 121939, 189905, 609695, 949525, 2316841, 3048475, 11584205, 57921025]

約数ペア:

[(1, 57921025), (5, 11584205), (19, 3048475), (25, 2316841), (61, 949525), (95, 609695), (305, 189905), (475, 121939), (1159, 49975), (1525, 37981), (1999, 28975), (5795, 9995)]