25378780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{181277}}^1$

素因数の和:181293

約数の個数: 24

約数和(自身を含む): 60909408

約数和(自身を除く): 35530628

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 181277, 362554, 725108, 906385, 1268939, 1812770, 2537878, 3625540, 5075756, 6344695, 12689390, 25378780]

約数ペア:

[(1, 25378780), (2, 12689390), (4, 6344695), (5, 5075756), (7, 3625540), (10, 2537878), (14, 1812770), (20, 1268939), (28, 906385), (35, 725108), (70, 362554), (140, 181277)]