80668208

素因数分解:

$2^4\times {\mathrm{643}}^1\times {\mathrm{7841}}^1$

素因数の和:8492

約数の個数: 20

約数和(自身を含む): 156557688

約数和(自身を除く): 75889480

約数列:

[1, 2, 4, 8, 16, 643, 1286, 2572, 5144, 7841, 10288, 15682, 31364, 62728, 125456, 5041763, 10083526, 20167052, 40334104, 80668208]

約数ペア:

[(1, 80668208), (2, 40334104), (4, 20167052), (8, 10083526), (16, 5041763), (643, 125456), (1286, 62728), (2572, 31364), (5144, 15682), (7841, 10288)]