40857340

素因数分解:

$2^2\times 5^1\times {\mathrm{641}}^1\times {\mathrm{3187}}^1$

素因数の和:3837

約数の個数: 24

約数和(自身を含む): 85961232

約数和(自身を除く): 45103892

約数列:

[1, 2, 4, 5, 10, 20, 641, 1282, 2564, 3187, 3205, 6374, 6410, 12748, 12820, 15935, 31870, 63740, 2042867, 4085734, 8171468, 10214335, 20428670, 40857340]

約数ペア:

[(1, 40857340), (2, 20428670), (4, 10214335), (5, 8171468), (10, 4085734), (20, 2042867), (641, 63740), (1282, 31870), (2564, 15935), (3187, 12820), (3205, 12748), (6374, 6410)]