140073040

素因数分解:

$2^4\times 5^1\times {\mathrm{1750913}}^1$

素因数の和:1750926

約数の個数: 20

約数和(自身を含む): 325670004

約数和(自身を除く): 185596964

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1750913, 3501826, 7003652, 8754565, 14007304, 17509130, 28014608, 35018260, 70036520, 140073040]

約数ペア:

[(1, 140073040), (2, 70036520), (4, 35018260), (5, 28014608), (8, 17509130), (10, 14007304), (16, 8754565), (20, 7003652), (40, 3501826), (80, 1750913)]