80843780

素因数分解:

$2^2\times 5^1\times {\mathrm{227}}^1\times {\mathrm{17807}}^1$

素因数の和:18043

約数の個数: 24

約数和(自身を含む): 170529408

約数和(自身を除く): 89685628

約数列:

[1, 2, 4, 5, 10, 20, 227, 454, 908, 1135, 2270, 4540, 17807, 35614, 71228, 89035, 178070, 356140, 4042189, 8084378, 16168756, 20210945, 40421890, 80843780]

約数ペア:

[(1, 80843780), (2, 40421890), (4, 20210945), (5, 16168756), (10, 8084378), (20, 4042189), (227, 356140), (454, 178070), (908, 89035), (1135, 71228), (2270, 35614), (4540, 17807)]