140396440

素因数分解:

$2^3\times 5^1\times {\mathrm{3509911}}^1$

素因数の和:3509922

約数の個数: 16

約数和(自身を含む): 315892080

約数和(自身を除く): 175495640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3509911, 7019822, 14039644, 17549555, 28079288, 35099110, 70198220, 140396440]

約数ペア:

[(1, 140396440), (2, 70198220), (4, 35099110), (5, 28079288), (8, 17549555), (10, 14039644), (20, 7019822), (40, 3509911)]