64524080

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{18757}}^1$

素因数の和:18813

約数の個数: 40

約数和(自身を含む): 153515472

約数和(自身を除く): 88991392

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 18757, 37514, 75028, 93785, 150056, 187570, 300112, 375140, 750280, 806551, 1500560, 1613102, 3226204, 4032755, 6452408, 8065510, 12904816, 16131020, 32262040, 64524080]

約数ペア:

[(1, 64524080), (2, 32262040), (4, 16131020), (5, 12904816), (8, 8065510), (10, 6452408), (16, 4032755), (20, 3226204), (40, 1613102), (43, 1500560), (80, 806551), (86, 750280), (172, 375140), (215, 300112), (344, 187570), (430, 150056), (688, 93785), (860, 75028), (1720, 37514), (3440, 18757)]