28512460

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{13841}}^1$

素因数の和:13953

約数の個数: 24

約数和(自身を含む): 60461856

約数和(自身を除く): 31949396

約数列:

[1, 2, 4, 5, 10, 20, 103, 206, 412, 515, 1030, 2060, 13841, 27682, 55364, 69205, 138410, 276820, 1425623, 2851246, 5702492, 7128115, 14256230, 28512460]

約数ペア:

[(1, 28512460), (2, 14256230), (4, 7128115), (5, 5702492), (10, 2851246), (20, 1425623), (103, 276820), (206, 138410), (412, 69205), (515, 55364), (1030, 27682), (2060, 13841)]