8864020

素因数分解:

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

素因数の和:1000

約数の個数: 48

約数和(自身を含む): 20801088

約数和(自身を除く): 11937068

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 43, 44, 55, 86, 110, 172, 215, 220, 430, 473, 860, 937, 946, 1874, 1892, 2365, 3748, 4685, 4730, 9370, 9460, 10307, 18740, 20614, 40291, 41228, 51535, 80582, 103070, 161164, 201455, 206140, 402910, 443201, 805820, 886402, 1772804, 2216005, 4432010, 8864020]

約数ペア:

[(1, 8864020), (2, 4432010), (4, 2216005), (5, 1772804), (10, 886402), (11, 805820), (20, 443201), (22, 402910), (43, 206140), (44, 201455), (55, 161164), (86, 103070), (110, 80582), (172, 51535), (215, 41228), (220, 40291), (430, 20614), (473, 18740), (860, 10307), (937, 9460), (946, 9370), (1874, 4730), (1892, 4685), (2365, 3748)]