2201658640

素因数分解:

$2^4\times 5^1\times {\mathrm{27520733}}^1$

素因数の和:27520746

約数の個数: 20

約数和(自身を含む): 5118856524

約数和(自身を除く): 2917197884

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 27520733, 55041466, 110082932, 137603665, 220165864, 275207330, 440331728, 550414660, 1100829320, 2201658640]

約数ペア:

[(1, 2201658640), (2, 1100829320), (4, 550414660), (5, 440331728), (8, 275207330), (10, 220165864), (16, 137603665), (20, 110082932), (40, 55041466), (80, 27520733)]