8784040

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{5107}}^1$

素因数の和:5161

約数の個数: 32

約数和(自身を含む): 20227680

約数和(自身を除く): 11443640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 5107, 10214, 20428, 25535, 40856, 51070, 102140, 204280, 219601, 439202, 878404, 1098005, 1756808, 2196010, 4392020, 8784040]

約数ペア:

[(1, 8784040), (2, 4392020), (4, 2196010), (5, 1756808), (8, 1098005), (10, 878404), (20, 439202), (40, 219601), (43, 204280), (86, 102140), (172, 51070), (215, 40856), (344, 25535), (430, 20428), (860, 10214), (1720, 5107)]