17728040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{937}}^1$

素因数の和:1002

約数の個数: 64

約数和(自身を含む): 44573760

約数和(自身を除く): 26845720

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, 937, 946, 1720, 1874, 1892, 2365, 3748, 3784, 4685, 4730, 7496, 9370, 9460, 10307, 18740, 18920, 20614, 37480, 40291, 41228, 51535, 80582, 82456, 103070, 161164, 201455, 206140, 322328, 402910, 412280, 443201, 805820, 886402, 1611640, 1772804, 2216005, 3545608, 4432010, 8864020, 17728040]

約数ペア:

[(1, 17728040), (2, 8864020), (4, 4432010), (5, 3545608), (8, 2216005), (10, 1772804), (11, 1611640), (20, 886402), (22, 805820), (40, 443201), (43, 412280), (44, 402910), (55, 322328), (86, 206140), (88, 201455), (110, 161164), (172, 103070), (215, 82456), (220, 80582), (344, 51535), (430, 41228), (440, 40291), (473, 37480), (860, 20614), (937, 18920), (946, 18740), (1720, 10307), (1874, 9460), (1892, 9370), (2365, 7496), (3748, 4730), (3784, 4685)]