40182440

素因数分解:

$2^3\times 5^1\times {\mathrm{1004561}}^1$

素因数の和:1004572

約数の個数: 16

約数和(自身を含む): 90410580

約数和(自身を除く): 50228140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1004561, 2009122, 4018244, 5022805, 8036488, 10045610, 20091220, 40182440]

約数ペア:

[(1, 40182440), (2, 20091220), (4, 10045610), (5, 8036488), (8, 5022805), (10, 4018244), (20, 2009122), (40, 1004561)]