139605080

素因数分解:

$2^3\times 5^1\times {\mathrm{3490127}}^1$

素因数の和:3490138

約数の個数: 16

約数和(自身を含む): 314111520

約数和(自身を除く): 174506440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3490127, 6980254, 13960508, 17450635, 27921016, 34901270, 69802540, 139605080]

約数ペア:

[(1, 139605080), (2, 69802540), (4, 34901270), (5, 27921016), (8, 17450635), (10, 13960508), (20, 6980254), (40, 3490127)]