80921008

素因数分解:

$2^4\times 7^1\times {\mathrm{722509}}^1$

素因数の和:722524

約数の個数: 20

約数和(自身を含む): 179182480

約数和(自身を除く): 98261472

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 722509, 1445018, 2890036, 5057563, 5780072, 10115126, 11560144, 20230252, 40460504, 80921008]

約数ペア:

[(1, 80921008), (2, 40460504), (4, 20230252), (7, 11560144), (8, 10115126), (14, 5780072), (16, 5057563), (28, 2890036), (56, 1445018), (112, 722509)]