28937320

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{6637}}^1$

素因数の和:6757

約数の個数: 32

約数和(自身を含む): 65716200

約数和(自身を除く): 36778880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 2180, 4360, 6637, 13274, 26548, 33185, 53096, 66370, 132740, 265480, 723433, 1446866, 2893732, 3617165, 5787464, 7234330, 14468660, 28937320]

約数ペア:

[(1, 28937320), (2, 14468660), (4, 7234330), (5, 5787464), (8, 3617165), (10, 2893732), (20, 1446866), (40, 723433), (109, 265480), (218, 132740), (436, 66370), (545, 53096), (872, 33185), (1090, 26548), (2180, 13274), (4360, 6637)]