80708432

素因数分解:

$2^4\times 7^1\times {\mathrm{720611}}^1$

素因数の和:720626

約数の個数: 20

約数和(自身を含む): 178711776

約数和(自身を除く): 98003344

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 720611, 1441222, 2882444, 5044277, 5764888, 10088554, 11529776, 20177108, 40354216, 80708432]

約数ペア:

[(1, 80708432), (2, 40354216), (4, 20177108), (7, 11529776), (8, 10088554), (14, 5764888), (16, 5044277), (28, 2882444), (56, 1441222), (112, 720611)]