80804960

素因数分解:

$2^5\times 5^1\times {\mathrm{505031}}^1$

素因数の和:505046

約数の個数: 24

約数和(自身を含む): 190902096

約数和(自身を除く): 110097136

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 505031, 1010062, 2020124, 2525155, 4040248, 5050310, 8080496, 10100620, 16160992, 20201240, 40402480, 80804960]

約数ペア:

[(1, 80804960), (2, 40402480), (4, 20201240), (5, 16160992), (8, 10100620), (10, 8080496), (16, 5050310), (20, 4040248), (32, 2525155), (40, 2020124), (80, 1010062), (160, 505031)]