80878544

素因数分解:

$2^4\times {\mathrm{281}}^1\times {\mathrm{17989}}^1$

素因数の和:18278

約数の個数: 20

約数和(自身を含む): 157268580

約数和(自身を除く): 76390036

約数列:

[1, 2, 4, 8, 16, 281, 562, 1124, 2248, 4496, 17989, 35978, 71956, 143912, 287824, 5054909, 10109818, 20219636, 40439272, 80878544]

約数ペア:

[(1, 80878544), (2, 40439272), (4, 20219636), (8, 10109818), (16, 5054909), (281, 287824), (562, 143912), (1124, 71956), (2248, 35978), (4496, 17989)]