42891640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{2267}}^1$

素因数の和:2332

約数の個数: 64

約数和(自身を含む): 107775360

約数和(自身を除く): 64883720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 43, 44, 55, 86, 88, 110, 172, 215, 220, 344, 430, 440, 473, 860, 946, 1720, 1892, 2267, 2365, 3784, 4534, 4730, 9068, 9460, 11335, 18136, 18920, 22670, 24937, 45340, 49874, 90680, 97481, 99748, 124685, 194962, 199496, 249370, 389924, 487405, 498740, 779848, 974810, 997480, 1072291, 1949620, 2144582, 3899240, 4289164, 5361455, 8578328, 10722910, 21445820, 42891640]

約数ペア:

[(1, 42891640), (2, 21445820), (4, 10722910), (5, 8578328), (8, 5361455), (10, 4289164), (11, 3899240), (20, 2144582), (22, 1949620), (40, 1072291), (43, 997480), (44, 974810), (55, 779848), (86, 498740), (88, 487405), (110, 389924), (172, 249370), (215, 199496), (220, 194962), (344, 124685), (430, 99748), (440, 97481), (473, 90680), (860, 49874), (946, 45340), (1720, 24937), (1892, 22670), (2267, 18920), (2365, 18136), (3784, 11335), (4534, 9460), (4730, 9068)]