90120208

素因数分解:

$2^4\times {\mathrm{239}}^1\times {\mathrm{23567}}^1$

素因数の和:23814

約数の個数: 20

約数和(自身を含む): 175345920

約数和(自身を除く): 85225712

約数列:

[1, 2, 4, 8, 16, 239, 478, 956, 1912, 3824, 23567, 47134, 94268, 188536, 377072, 5632513, 11265026, 22530052, 45060104, 90120208]

約数ペア:

[(1, 90120208), (2, 45060104), (4, 22530052), (8, 11265026), (16, 5632513), (239, 377072), (478, 188536), (956, 94268), (1912, 47134), (3824, 23567)]