797920

素因数分解:

$2^5\times 5^1\times {\mathrm{4987}}^1$

素因数の和:5002

約数の個数: 24

約数和(自身を含む): 1885464

約数和(自身を除く): 1087544

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 4987, 9974, 19948, 24935, 39896, 49870, 79792, 99740, 159584, 199480, 398960, 797920]

約数ペア:

[(1, 797920), (2, 398960), (4, 199480), (5, 159584), (8, 99740), (10, 79792), (16, 49870), (20, 39896), (32, 24935), (40, 19948), (80, 9974), (160, 4987)]