4085320

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{937}}^1$

素因数の和:1057

約数の個数: 32

約数和(自身を含む): 9286200

約数和(自身を除く): 5200880

約数列:

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

約数ペア:

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