28266860

素因数分解:

$2^2\times 5^1\times {\mathrm{827}}^1\times {\mathrm{1709}}^1$

素因数の和:2545

約数の個数: 24

約数和(自身を含む): 59466960

約数和(自身を除く): 31200100

約数列:

[1, 2, 4, 5, 10, 20, 827, 1654, 1709, 3308, 3418, 4135, 6836, 8270, 8545, 16540, 17090, 34180, 1413343, 2826686, 5653372, 7066715, 14133430, 28266860]

約数ペア:

[(1, 28266860), (2, 14133430), (4, 7066715), (5, 5653372), (10, 2826686), (20, 1413343), (827, 34180), (1654, 17090), (1709, 16540), (3308, 8545), (3418, 8270), (4135, 6836)]