66887360

素因数分解:

$2^6\times 5^1\times {\mathrm{43}}^1\times {\mathrm{4861}}^1$

素因数の和:4921

約数の個数: 56

約数和(自身を含む): 163013136

約数和(自身を除く): 96125776

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 64, 80, 86, 160, 172, 215, 320, 344, 430, 688, 860, 1376, 1720, 2752, 3440, 4861, 6880, 9722, 13760, 19444, 24305, 38888, 48610, 77776, 97220, 155552, 194440, 209023, 311104, 388880, 418046, 777760, 836092, 1045115, 1555520, 1672184, 2090230, 3344368, 4180460, 6688736, 8360920, 13377472, 16721840, 33443680, 66887360]

約数ペア:

[(1, 66887360), (2, 33443680), (4, 16721840), (5, 13377472), (8, 8360920), (10, 6688736), (16, 4180460), (20, 3344368), (32, 2090230), (40, 1672184), (43, 1555520), (64, 1045115), (80, 836092), (86, 777760), (160, 418046), (172, 388880), (215, 311104), (320, 209023), (344, 194440), (430, 155552), (688, 97220), (860, 77776), (1376, 48610), (1720, 38888), (2752, 24305), (3440, 19444), (4861, 13760), (6880, 9722)]