3996680

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{2437}}^1$

素因数の和:2489

約数の個数: 32

約数和(自身を含む): 9215640

約数和(自身を除く): 5218960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 2437, 4874, 9748, 12185, 19496, 24370, 48740, 97480, 99917, 199834, 399668, 499585, 799336, 999170, 1998340, 3996680]

約数ペア:

[(1, 3996680), (2, 1998340), (4, 999170), (5, 799336), (8, 499585), (10, 399668), (20, 199834), (40, 99917), (41, 97480), (82, 48740), (164, 24370), (205, 19496), (328, 12185), (410, 9748), (820, 4874), (1640, 2437)]