80196656

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{122251}}^1$

素因数の和:122300

約数の個数: 20

約数和(自身を含む): 159172104

約数和(自身を除く): 78975448

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 122251, 244502, 489004, 978008, 1956016, 5012291, 10024582, 20049164, 40098328, 80196656]

約数ペア:

[(1, 80196656), (2, 40098328), (4, 20049164), (8, 10024582), (16, 5012291), (41, 1956016), (82, 978008), (164, 489004), (328, 244502), (656, 122251)]