40340627920

素因数分解:

$2^4\times 5^1\times {\mathrm{504257849}}^1$

素因数の和:504257862

約数の個数: 20

約数和(自身を含む): 93791960100

約数和(自身を除く): 53451332180

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 504257849, 1008515698, 2017031396, 2521289245, 4034062792, 5042578490, 8068125584, 10085156980, 20170313960, 40340627920]

約数ペア:

[(1, 40340627920), (2, 20170313960), (4, 10085156980), (5, 8068125584), (8, 5042578490), (10, 4034062792), (16, 2521289245), (20, 2017031396), (40, 1008515698), (80, 504257849)]