25801180

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{9281}}^1$

素因数の和:9429

約数の個数: 24

約数和(自身を含む): 54578160

約数和(自身を除く): 28776980

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1390, 2780, 9281, 18562, 37124, 46405, 92810, 185620, 1290059, 2580118, 5160236, 6450295, 12900590, 25801180]

約数ペア:

[(1, 25801180), (2, 12900590), (4, 6450295), (5, 5160236), (10, 2580118), (20, 1290059), (139, 185620), (278, 92810), (556, 46405), (695, 37124), (1390, 18562), (2780, 9281)]