4392020

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{5107}}^1$

素因数の和:5159

約数の個数: 24

約数和(自身を含む): 9439584

約数和(自身を除く): 5047564

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 5107, 10214, 20428, 25535, 51070, 102140, 219601, 439202, 878404, 1098005, 2196010, 4392020]

約数ペア:

[(1, 4392020), (2, 2196010), (4, 1098005), (5, 878404), (10, 439202), (20, 219601), (43, 102140), (86, 51070), (172, 25535), (215, 20428), (430, 10214), (860, 5107)]