28265080

素因数分解:

$2^3\times 5^1\times {\mathrm{277}}^1\times {\mathrm{2551}}^1$

素因数の和:2839

約数の個数: 32

約数和(自身を含む): 63851040

約数和(自身を除く): 35585960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 277, 554, 1108, 1385, 2216, 2551, 2770, 5102, 5540, 10204, 11080, 12755, 20408, 25510, 51020, 102040, 706627, 1413254, 2826508, 3533135, 5653016, 7066270, 14132540, 28265080]

約数ペア:

[(1, 28265080), (2, 14132540), (4, 7066270), (5, 5653016), (8, 3533135), (10, 2826508), (20, 1413254), (40, 706627), (277, 102040), (554, 51020), (1108, 25510), (1385, 20408), (2216, 12755), (2551, 11080), (2770, 10204), (5102, 5540)]