391346140

素因数分解:

$2^2\times 5^1\times {\mathrm{2003}}^1\times {\mathrm{9769}}^1$

素因数の和:11781

約数の個数: 24

約数和(自身を含む): 822321360

約数和(自身を除く): 430975220

約数列:

[1, 2, 4, 5, 10, 20, 2003, 4006, 8012, 9769, 10015, 19538, 20030, 39076, 40060, 48845, 97690, 195380, 19567307, 39134614, 78269228, 97836535, 195673070, 391346140]

約数ペア:

[(1, 391346140), (2, 195673070), (4, 97836535), (5, 78269228), (10, 39134614), (20, 19567307), (2003, 195380), (4006, 97690), (8012, 48845), (9769, 40060), (10015, 39076), (19538, 20030)]