16198040

素因数分解:

$2^3\times 5^1\times {\mathrm{404951}}^1$

素因数の和:404962

約数の個数: 16

約数和(自身を含む): 36445680

約数和(自身を除く): 20247640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 404951, 809902, 1619804, 2024755, 3239608, 4049510, 8099020, 16198040]

約数ペア:

[(1, 16198040), (2, 8099020), (4, 4049510), (5, 3239608), (8, 2024755), (10, 1619804), (20, 809902), (40, 404951)]