82155280

素因数分解:

$2^4\times 5^1\times {\mathrm{1026941}}^1$

素因数の和:1026954

約数の個数: 20

約数和(自身を含む): 191011212

約数和(自身を除く): 108855932

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1026941, 2053882, 4107764, 5134705, 8215528, 10269410, 16431056, 20538820, 41077640, 82155280]

約数ペア:

[(1, 82155280), (2, 41077640), (4, 20538820), (5, 16431056), (8, 10269410), (10, 8215528), (16, 5134705), (20, 4107764), (40, 2053882), (80, 1026941)]