856556080

素因数分解:

$2^4\times 5^1\times {\mathrm{10706951}}^1$

素因数の和:10706964

約数の個数: 20

約数和(自身を含む): 1991493072

約数和(自身を除く): 1134936992

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 10706951, 21413902, 42827804, 53534755, 85655608, 107069510, 171311216, 214139020, 428278040, 856556080]

約数ペア:

[(1, 856556080), (2, 428278040), (4, 214139020), (5, 171311216), (8, 107069510), (10, 85655608), (16, 53534755), (20, 42827804), (40, 21413902), (80, 10706951)]