135012880

素因数分解:

$2^4\times 5^1\times {\mathrm{1687661}}^1$

素因数の和:1687674

約数の個数: 20

約数和(自身を含む): 313905132

約数和(自身を除く): 178892252

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1687661, 3375322, 6750644, 8438305, 13501288, 16876610, 27002576, 33753220, 67506440, 135012880]

約数ペア:

[(1, 135012880), (2, 67506440), (4, 33753220), (5, 27002576), (8, 16876610), (10, 13501288), (16, 8438305), (20, 6750644), (40, 3375322), (80, 1687661)]