57031280

素因数分解:

$2^4\times 5^1\times {\mathrm{712891}}^1$

素因数の和:712904

約数の個数: 20

約数和(自身を含む): 132597912

約数和(自身を除く): 75566632

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 712891, 1425782, 2851564, 3564455, 5703128, 7128910, 11406256, 14257820, 28515640, 57031280]

約数ペア:

[(1, 57031280), (2, 28515640), (4, 14257820), (5, 11406256), (8, 7128910), (10, 5703128), (16, 3564455), (20, 2851564), (40, 1425782), (80, 712891)]