131397320

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{30137}}^1$

素因数の和:30257

約数の個数: 32

約数和(自身を含む): 298366200

約数和(自身を除く): 166968880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 2180, 4360, 30137, 60274, 120548, 150685, 241096, 301370, 602740, 1205480, 3284933, 6569866, 13139732, 16424665, 26279464, 32849330, 65698660, 131397320]

約数ペア:

[(1, 131397320), (2, 65698660), (4, 32849330), (5, 26279464), (8, 16424665), (10, 13139732), (20, 6569866), (40, 3284933), (109, 1205480), (218, 602740), (436, 301370), (545, 241096), (872, 150685), (1090, 120548), (2180, 60274), (4360, 30137)]