66168740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{167}}^1\times {\mathrm{1801}}^1$

素因数の和:1988

約数の個数: 48

約数和(自身を含む): 152578944

約数和(自身を除く): 86410204

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 167, 220, 334, 668, 835, 1670, 1801, 1837, 3340, 3602, 3674, 7204, 7348, 9005, 9185, 18010, 18370, 19811, 36020, 36740, 39622, 79244, 99055, 198110, 300767, 396220, 601534, 1203068, 1503835, 3007670, 3308437, 6015340, 6616874, 13233748, 16542185, 33084370, 66168740]

約数ペア:

[(1, 66168740), (2, 33084370), (4, 16542185), (5, 13233748), (10, 6616874), (11, 6015340), (20, 3308437), (22, 3007670), (44, 1503835), (55, 1203068), (110, 601534), (167, 396220), (220, 300767), (334, 198110), (668, 99055), (835, 79244), (1670, 39622), (1801, 36740), (1837, 36020), (3340, 19811), (3602, 18370), (3674, 18010), (7204, 9185), (7348, 9005)]