10257580

素因数分解:

$2^2\times 5^1\times {\mathrm{401}}^1\times {\mathrm{1279}}^1$

素因数の和:1689

約数の個数: 24

約数和(自身を含む): 21611520

約数和(自身を除く): 11353940

約数列:

[1, 2, 4, 5, 10, 20, 401, 802, 1279, 1604, 2005, 2558, 4010, 5116, 6395, 8020, 12790, 25580, 512879, 1025758, 2051516, 2564395, 5128790, 10257580]

約数ペア:

[(1, 10257580), (2, 5128790), (4, 2564395), (5, 2051516), (10, 1025758), (20, 512879), (401, 25580), (802, 12790), (1279, 8020), (1604, 6395), (2005, 5116), (2558, 4010)]