2650840

素因数分解:

$2^3\times 5^1\times {\mathrm{66271}}^1$

素因数の和:66282

約数の個数: 16

約数和(自身を含む): 5964480

約数和(自身を除く): 3313640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 66271, 132542, 265084, 331355, 530168, 662710, 1325420, 2650840]

約数ペア:

[(1, 2650840), (2, 1325420), (4, 662710), (5, 530168), (8, 331355), (10, 265084), (20, 132542), (40, 66271)]