8521000840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{523403}}^1$

素因数の和:523462

約数の個数: 64

約数和(自身を含む): 21480500160

約数和(自身を除く): 12959499320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 37, 40, 44, 55, 74, 88, 110, 148, 185, 220, 296, 370, 407, 440, 740, 814, 1480, 1628, 2035, 3256, 4070, 8140, 16280, 523403, 1046806, 2093612, 2617015, 4187224, 5234030, 5757433, 10468060, 11514866, 19365911, 20936120, 23029732, 28787165, 38731822, 46059464, 57574330, 77463644, 96829555, 115148660, 154927288, 193659110, 213025021, 230297320, 387318220, 426050042, 774636440, 852100084, 1065125105, 1704200168, 2130250210, 4260500420, 8521000840]

約数ペア:

[(1, 8521000840), (2, 4260500420), (4, 2130250210), (5, 1704200168), (8, 1065125105), (10, 852100084), (11, 774636440), (20, 426050042), (22, 387318220), (37, 230297320), (40, 213025021), (44, 193659110), (55, 154927288), (74, 115148660), (88, 96829555), (110, 77463644), (148, 57574330), (185, 46059464), (220, 38731822), (296, 28787165), (370, 23029732), (407, 20936120), (440, 19365911), (740, 11514866), (814, 10468060), (1480, 5757433), (1628, 5234030), (2035, 4187224), (3256, 2617015), (4070, 2093612), (8140, 1046806), (16280, 523403)]