8170640

素因数分解:

$2^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{937}}^1$

素因数の和:1059

約数の個数: 40

約数和(自身を含む): 19191480

約数和(自身を除く): 11020840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 109, 218, 436, 545, 872, 937, 1090, 1744, 1874, 2180, 3748, 4360, 4685, 7496, 8720, 9370, 14992, 18740, 37480, 74960, 102133, 204266, 408532, 510665, 817064, 1021330, 1634128, 2042660, 4085320, 8170640]

約数ペア:

[(1, 8170640), (2, 4085320), (4, 2042660), (5, 1634128), (8, 1021330), (10, 817064), (16, 510665), (20, 408532), (40, 204266), (80, 102133), (109, 74960), (218, 37480), (436, 18740), (545, 14992), (872, 9370), (937, 8720), (1090, 7496), (1744, 4685), (1874, 4360), (2180, 3748)]