8045642620

素因数分解:

$2^2\times 5^1\times {\mathrm{402282131}}^1$

素因数の和:402282140

約数の個数: 12

約数和(自身を含む): 16895849544

約数和(自身を除く): 8850206924

約数列:

[1, 2, 4, 5, 10, 20, 402282131, 804564262, 1609128524, 2011410655, 4022821310, 8045642620]

約数ペア:

[(1, 8045642620), (2, 4022821310), (4, 2011410655), (5, 1609128524), (10, 804564262), (20, 402282131)]