131122280

素因数分解:

$2^3\times 5^1\times {\mathrm{3278057}}^1$

素因数の和:3278068

約数の個数: 16

約数和(自身を含む): 295025220

約数和(自身を除く): 163902940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3278057, 6556114, 13112228, 16390285, 26224456, 32780570, 65561140, 131122280]

約数ペア:

[(1, 131122280), (2, 65561140), (4, 32780570), (5, 26224456), (8, 16390285), (10, 13112228), (20, 6556114), (40, 3278057)]