139608860

素因数分解:

$2^2\times 5^1\times {\mathrm{6980443}}^1$

素因数の和:6980452

約数の個数: 12

約数和(自身を含む): 293178648

約数和(自身を除く): 153569788

約数列:

[1, 2, 4, 5, 10, 20, 6980443, 13960886, 27921772, 34902215, 69804430, 139608860]

約数ペア:

[(1, 139608860), (2, 69804430), (4, 34902215), (5, 27921772), (10, 13960886), (20, 6980443)]