66864320

素因数分解:

$2^6\times 5^1\times {\mathrm{223}}^1\times {\mathrm{937}}^1$

素因数の和:1177

約数の個数: 56

約数和(自身を含む): 160105344

約数和(自身を除く): 93241024

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 223, 320, 446, 892, 937, 1115, 1784, 1874, 2230, 3568, 3748, 4460, 4685, 7136, 7496, 8920, 9370, 14272, 14992, 17840, 18740, 29984, 35680, 37480, 59968, 71360, 74960, 149920, 208951, 299840, 417902, 835804, 1044755, 1671608, 2089510, 3343216, 4179020, 6686432, 8358040, 13372864, 16716080, 33432160, 66864320]

約数ペア:

[(1, 66864320), (2, 33432160), (4, 16716080), (5, 13372864), (8, 8358040), (10, 6686432), (16, 4179020), (20, 3343216), (32, 2089510), (40, 1671608), (64, 1044755), (80, 835804), (160, 417902), (223, 299840), (320, 208951), (446, 149920), (892, 74960), (937, 71360), (1115, 59968), (1784, 37480), (1874, 35680), (2230, 29984), (3568, 18740), (3748, 17840), (4460, 14992), (4685, 14272), (7136, 9370), (7496, 8920)]