81826960

素因数分解:

$2^4\times 5^1\times {\mathrm{1022837}}^1$

素因数の和:1022850

約数の個数: 20

約数和(自身を含む): 190247868

約数和(自身を除く): 108420908

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1022837, 2045674, 4091348, 5114185, 8182696, 10228370, 16365392, 20456740, 40913480, 81826960]

約数ペア:

[(1, 81826960), (2, 40913480), (4, 20456740), (5, 16365392), (8, 10228370), (10, 8182696), (16, 5114185), (20, 4091348), (40, 2045674), (80, 1022837)]