68522680

素因数分解:

$2^3\times 5^1\times {\mathrm{499}}^1\times {\mathrm{3433}}^1$

素因数の和:3943

約数の個数: 32

約数和(自身を含む): 154530000

約数和(自身を除く): 86007320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 499, 998, 1996, 2495, 3433, 3992, 4990, 6866, 9980, 13732, 17165, 19960, 27464, 34330, 68660, 137320, 1713067, 3426134, 6852268, 8565335, 13704536, 17130670, 34261340, 68522680]

約数ペア:

[(1, 68522680), (2, 34261340), (4, 17130670), (5, 13704536), (8, 8565335), (10, 6852268), (20, 3426134), (40, 1713067), (499, 137320), (998, 68660), (1996, 34330), (2495, 27464), (3433, 19960), (3992, 17165), (4990, 13732), (6866, 9980)]