8045644340

素因数分解:

$2^2\times 5^1\times {\mathrm{402282217}}^1$

素因数の和:402282226

約数の個数: 12

約数和(自身を含む): 16895853156

約数和(自身を除く): 8850208816

約数列:

[1, 2, 4, 5, 10, 20, 402282217, 804564434, 1609128868, 2011411085, 4022822170, 8045644340]

約数ペア:

[(1, 8045644340), (2, 4022822170), (4, 2011411085), (5, 1609128868), (10, 804564434), (20, 402282217)]