80854870

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{197207}}^1$

素因数の和:197255

約数の個数: 16

約数和(自身を含む): 149089248

約数和(自身を除く): 68234378

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 197207, 394414, 986035, 1972070, 8085487, 16170974, 40427435, 80854870]

約数ペア:

[(1, 80854870), (2, 40427435), (5, 16170974), (10, 8085487), (41, 1972070), (82, 986035), (205, 394414), (410, 197207)]