4490780680

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{2610919}}^1$

素因数の和:2610973

約数の個数: 32

約数和(自身を含む): 10339243200

約数和(自身を除く): 5848462520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 2610919, 5221838, 10443676, 13054595, 20887352, 26109190, 52218380, 104436760, 112269517, 224539034, 449078068, 561347585, 898156136, 1122695170, 2245390340, 4490780680]

約数ペア:

[(1, 4490780680), (2, 2245390340), (4, 1122695170), (5, 898156136), (8, 561347585), (10, 449078068), (20, 224539034), (40, 112269517), (43, 104436760), (86, 52218380), (172, 26109190), (215, 20887352), (344, 13054595), (430, 10443676), (860, 5221838), (1720, 2610919)]