12742660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{91019}}^1$

素因数の和:91035

約数の個数: 24

約数和(自身を含む): 30582720

約数和(自身を除く): 17840060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 91019, 182038, 364076, 455095, 637133, 910190, 1274266, 1820380, 2548532, 3185665, 6371330, 12742660]

約数ペア:

[(1, 12742660), (2, 6371330), (4, 3185665), (5, 2548532), (7, 1820380), (10, 1274266), (14, 910190), (20, 637133), (28, 455095), (35, 364076), (70, 182038), (140, 91019)]