7996280

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{4649}}^1$

素因数の和:4703

約数の個数: 32

約数和(自身を含む): 18414000

約数和(自身を除く): 10417720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 4649, 9298, 18596, 23245, 37192, 46490, 92980, 185960, 199907, 399814, 799628, 999535, 1599256, 1999070, 3998140, 7996280]

約数ペア:

[(1, 7996280), (2, 3998140), (4, 1999070), (5, 1599256), (8, 999535), (10, 799628), (20, 399814), (40, 199907), (43, 185960), (86, 92980), (172, 46490), (215, 37192), (344, 23245), (430, 18596), (860, 9298), (1720, 4649)]