16556080

素因数分解:

$2^4\times 5^1\times {\mathrm{206951}}^1$

素因数の和:206964

約数の個数: 20

約数和(自身を含む): 38493072

約数和(自身を除く): 21936992

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 206951, 413902, 827804, 1034755, 1655608, 2069510, 3311216, 4139020, 8278040, 16556080]

約数ペア:

[(1, 16556080), (2, 8278040), (4, 4139020), (5, 3311216), (8, 2069510), (10, 1655608), (16, 1034755), (20, 827804), (40, 413902), (80, 206951)]