64556080

素因数分解:

$2^4\times 5^1\times {\mathrm{806951}}^1$

素因数の和:806964

約数の個数: 20

約数和(自身を含む): 150093072

約数和(自身を除く): 85536992

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 806951, 1613902, 3227804, 4034755, 6455608, 8069510, 12911216, 16139020, 32278040, 64556080]

約数ペア:

[(1, 64556080), (2, 32278040), (4, 16139020), (5, 12911216), (8, 8069510), (10, 6455608), (16, 4034755), (20, 3227804), (40, 1613902), (80, 806951)]