104155280

素因数分解:

$2^4\times 5^1\times {\mathrm{1301941}}^1$

素因数の和:1301954

約数の個数: 20

約数和(自身を含む): 242161212

約数和(自身を除く): 138005932

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1301941, 2603882, 5207764, 6509705, 10415528, 13019410, 20831056, 26038820, 52077640, 104155280]

約数ペア:

[(1, 104155280), (2, 52077640), (4, 26038820), (5, 20831056), (8, 13019410), (10, 10415528), (16, 6509705), (20, 5207764), (40, 2603882), (80, 1301941)]