2090810

素因数分解:

$2^1\times 5^1\times {\mathrm{419}}^1\times {\mathrm{499}}^1$

素因数の和:925

約数の個数: 16

約数和(自身を含む): 3780000

約数和(自身を除く): 1689190

約数列:

[1, 2, 5, 10, 419, 499, 838, 998, 2095, 2495, 4190, 4990, 209081, 418162, 1045405, 2090810]

約数ペア:

[(1, 2090810), (2, 1045405), (5, 418162), (10, 209081), (419, 4990), (499, 4190), (838, 2495), (998, 2095)]