2680840

素因数分解:

$2^3\times 5^1\times {\mathrm{67021}}^1$

素因数の和:67032

約数の個数: 16

約数和(自身を含む): 6031980

約数和(自身を除く): 3351140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67021, 134042, 268084, 335105, 536168, 670210, 1340420, 2680840]

約数ペア:

[(1, 2680840), (2, 1340420), (4, 670210), (5, 536168), (8, 335105), (10, 268084), (20, 134042), (40, 67021)]