66468756080

素因数分解:

$2^4\times 5^1\times {\mathrm{499}}^1\times {\mathrm{937}}^1\times {\mathrm{1777}}^1$

素因数の和:3226

約数の個数: 80

約数和(自身を含む): 155102052000

約数和(自身を除く): 88633295920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 499, 937, 998, 1777, 1874, 1996, 2495, 3554, 3748, 3992, 4685, 4990, 7108, 7496, 7984, 8885, 9370, 9980, 14216, 14992, 17770, 18740, 19960, 28432, 35540, 37480, 39920, 71080, 74960, 142160, 467563, 886723, 935126, 1665049, 1773446, 1870252, 2337815, 3330098, 3546892, 3740504, 4433615, 4675630, 6660196, 7093784, 7481008, 8325245, 8867230, 9351260, 13320392, 14187568, 16650490, 17734460, 18702520, 26640784, 33300980, 35468920, 37405040, 66601960, 70937840, 133203920, 830859451, 1661718902, 3323437804, 4154297255, 6646875608, 8308594510, 13293751216, 16617189020, 33234378040, 66468756080]

約数ペア:

[(1, 66468756080), (2, 33234378040), (4, 16617189020), (5, 13293751216), (8, 8308594510), (10, 6646875608), (16, 4154297255), (20, 3323437804), (40, 1661718902), (80, 830859451), (499, 133203920), (937, 70937840), (998, 66601960), (1777, 37405040), (1874, 35468920), (1996, 33300980), (2495, 26640784), (3554, 18702520), (3748, 17734460), (3992, 16650490), (4685, 14187568), (4990, 13320392), (7108, 9351260), (7496, 8867230), (7984, 8325245), (8885, 7481008), (9370, 7093784), (9980, 6660196), (14216, 4675630), (14992, 4433615), (17770, 3740504), (18740, 3546892), (19960, 3330098), (28432, 2337815), (35540, 1870252), (37480, 1773446), (39920, 1665049), (71080, 935126), (74960, 886723), (142160, 467563)]