28863740

素因数分解:

$2^2\times 5^1\times {\mathrm{557}}^1\times {\mathrm{2591}}^1$

素因数の和:3157

約数の個数: 24

約数和(自身を含む): 60746112

約数和(自身を除く): 31882372

約数列:

[1, 2, 4, 5, 10, 20, 557, 1114, 2228, 2591, 2785, 5182, 5570, 10364, 11140, 12955, 25910, 51820, 1443187, 2886374, 5772748, 7215935, 14431870, 28863740]

約数ペア:

[(1, 28863740), (2, 14431870), (4, 7215935), (5, 5772748), (10, 2886374), (20, 1443187), (557, 51820), (1114, 25910), (2228, 12955), (2591, 11140), (2785, 10364), (5182, 5570)]