129155080

素因数分解:

$2^3\times 5^1\times {\mathrm{3228877}}^1$

素因数の和:3228888

約数の個数: 16

約数和(自身を含む): 290599020

約数和(自身を除く): 161443940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3228877, 6457754, 12915508, 16144385, 25831016, 32288770, 64577540, 129155080]

約数ペア:

[(1, 129155080), (2, 64577540), (4, 32288770), (5, 25831016), (8, 16144385), (10, 12915508), (20, 6457754), (40, 3228877)]