2662840

素因数分解:

$2^3\times 5^1\times {\mathrm{66571}}^1$

素因数の和:66582

約数の個数: 16

約数和(自身を含む): 5991480

約数和(自身を除く): 3328640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 66571, 133142, 266284, 332855, 532568, 665710, 1331420, 2662840]

約数ペア:

[(1, 2662840), (2, 1331420), (4, 665710), (5, 532568), (8, 332855), (10, 266284), (20, 133142), (40, 66571)]