2740040

素因数分解:

$2^3\times 5^1\times {\mathrm{68501}}^1$

素因数の和:68512

約数の個数: 16

約数和(自身を含む): 6165180

約数和(自身を除く): 3425140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 68501, 137002, 274004, 342505, 548008, 685010, 1370020, 2740040]

約数ペア:

[(1, 2740040), (2, 1370020), (4, 685010), (5, 548008), (8, 342505), (10, 274004), (20, 137002), (40, 68501)]