13749040

素因数分解:

$2^4\times 5^1\times {\mathrm{171863}}^1$

素因数の和:171876

約数の個数: 20

約数和(自身を含む): 31966704

約数和(自身を除く): 18217664

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 171863, 343726, 687452, 859315, 1374904, 1718630, 2749808, 3437260, 6874520, 13749040]

約数ペア:

[(1, 13749040), (2, 6874520), (4, 3437260), (5, 2749808), (8, 1718630), (10, 1374904), (16, 859315), (20, 687452), (40, 343726), (80, 171863)]