7942840

素因数分解:

$2^3\times 5^1\times {\mathrm{198571}}^1$

素因数の和:198582

約数の個数: 16

約数和(自身を含む): 17871480

約数和(自身を除く): 9928640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 198571, 397142, 794284, 992855, 1588568, 1985710, 3971420, 7942840]

約数ペア:

[(1, 7942840), (2, 3971420), (4, 1985710), (5, 1588568), (8, 992855), (10, 794284), (20, 397142), (40, 198571)]