280010680

素因数分解:

$2^3\times 5^1\times {\mathrm{7000267}}^1$

素因数の和:7000278

約数の個数: 16

約数和(自身を含む): 630024120

約数和(自身を除く): 350013440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 7000267, 14000534, 28001068, 35001335, 56002136, 70002670, 140005340, 280010680]

約数ペア:

[(1, 280010680), (2, 140005340), (4, 70002670), (5, 56002136), (8, 35001335), (10, 28001068), (20, 14000534), (40, 7000267)]