80703728

素因数分解:

$2^4\times 7^1\times {\mathrm{720569}}^1$

素因数の和:720584

約数の個数: 20

約数和(自身を含む): 178701360

約数和(自身を除く): 97997632

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 720569, 1441138, 2882276, 5043983, 5764552, 10087966, 11529104, 20175932, 40351864, 80703728]

約数ペア:

[(1, 80703728), (2, 40351864), (4, 20175932), (7, 11529104), (8, 10087966), (14, 5764552), (16, 5043983), (28, 2882276), (56, 1441138), (112, 720569)]