85851280

素因数分解:

$2^4\times 5^1\times {\mathrm{1073141}}^1$

素因数の和:1073154

約数の個数: 20

約数和(自身を含む): 199604412

約数和(自身を除く): 113753132

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1073141, 2146282, 4292564, 5365705, 8585128, 10731410, 17170256, 21462820, 42925640, 85851280]

約数ペア:

[(1, 85851280), (2, 42925640), (4, 21462820), (5, 17170256), (8, 10731410), (10, 8585128), (16, 5365705), (20, 4292564), (40, 2146282), (80, 1073141)]