156940631140

素因数分解:

$2^2\times 5^1\times {\mathrm{7847031557}}^1$

素因数の和:7847031566

約数の個数: 12

約数和(自身を含む): 329575325436

約数和(自身を除く): 172634694296

約数列:

[1, 2, 4, 5, 10, 20, 7847031557, 15694063114, 31388126228, 39235157785, 78470315570, 156940631140]

約数ペア:

[(1, 156940631140), (2, 78470315570), (4, 39235157785), (5, 31388126228), (10, 15694063114), (20, 7847031557)]