16899920

素因数分解:

$2^4\times 5^1\times {\mathrm{151}}^1\times {\mathrm{1399}}^1$

素因数の和:1563

約数の個数: 40

約数和(自身を含む): 39580800

約数和(自身を除く): 22680880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 151, 302, 604, 755, 1208, 1399, 1510, 2416, 2798, 3020, 5596, 6040, 6995, 11192, 12080, 13990, 22384, 27980, 55960, 111920, 211249, 422498, 844996, 1056245, 1689992, 2112490, 3379984, 4224980, 8449960, 16899920]

約数ペア:

[(1, 16899920), (2, 8449960), (4, 4224980), (5, 3379984), (8, 2112490), (10, 1689992), (16, 1056245), (20, 844996), (40, 422498), (80, 211249), (151, 111920), (302, 55960), (604, 27980), (755, 22384), (1208, 13990), (1399, 12080), (1510, 11192), (2416, 6995), (2798, 6040), (3020, 5596)]