16187560

素因数分解:

$2^3\times 5^1\times {\mathrm{499}}^1\times {\mathrm{811}}^1$

素因数の和:1321

約数の個数: 32

約数和(自身を含む): 36540000

約数和(自身を除く): 20352440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 499, 811, 998, 1622, 1996, 2495, 3244, 3992, 4055, 4990, 6488, 8110, 9980, 16220, 19960, 32440, 404689, 809378, 1618756, 2023445, 3237512, 4046890, 8093780, 16187560]

約数ペア:

[(1, 16187560), (2, 8093780), (4, 4046890), (5, 3237512), (8, 2023445), (10, 1618756), (20, 809378), (40, 404689), (499, 32440), (811, 19960), (998, 16220), (1622, 9980), (1996, 8110), (2495, 6488), (3244, 4990), (3992, 4055)]