219190053640

素因数分解:

$2^3\times 5^1\times {\mathrm{5479751341}}^1$

素因数の和:5479751352

約数の個数: 16

約数和(自身を含む): 493177620780

約数和(自身を除く): 273987567140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5479751341, 10959502682, 21919005364, 27398756705, 43838010728, 54797513410, 109595026820, 219190053640]

約数ペア:

[(1, 219190053640), (2, 109595026820), (4, 54797513410), (5, 43838010728), (8, 27398756705), (10, 21919005364), (20, 10959502682), (40, 5479751341)]