2740280

素因数分解:

$2^3\times 5^1\times {\mathrm{68507}}^1$

素因数の和:68518

約数の個数: 16

約数和(自身を含む): 6165720

約数和(自身を除く): 3425440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 68507, 137014, 274028, 342535, 548056, 685070, 1370140, 2740280]

約数ペア:

[(1, 2740280), (2, 1370140), (4, 685070), (5, 548056), (8, 342535), (10, 274028), (20, 137014), (40, 68507)]