39956890

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^2\times {\mathrm{2161}}^1$

素因数の和:2254

約数の個数: 24

約数和(自身を含む): 73667988

約数和(自身を除く): 33711098

約数列:

[1, 2, 5, 10, 43, 86, 215, 430, 1849, 2161, 3698, 4322, 9245, 10805, 18490, 21610, 92923, 185846, 464615, 929230, 3995689, 7991378, 19978445, 39956890]

約数ペア:

[(1, 39956890), (2, 19978445), (5, 7991378), (10, 3995689), (43, 929230), (86, 464615), (215, 185846), (430, 92923), (1849, 21610), (2161, 18490), (3698, 10805), (4322, 9245)]