27928820

素因数分解:

$2^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{10193}}^1$

素因数の和:10339

約数の個数: 24

約数和(自身を含む): 59084424

約数和(自身を除く): 31155604

約数列:

[1, 2, 4, 5, 10, 20, 137, 274, 548, 685, 1370, 2740, 10193, 20386, 40772, 50965, 101930, 203860, 1396441, 2792882, 5585764, 6982205, 13964410, 27928820]

約数ペア:

[(1, 27928820), (2, 13964410), (4, 6982205), (5, 5585764), (10, 2792882), (20, 1396441), (137, 203860), (274, 101930), (548, 50965), (685, 40772), (1370, 20386), (2740, 10193)]