80877260

素因数分解:

$2^2\times 5^1\times {\mathrm{349}}^1\times {\mathrm{11587}}^1$

素因数の和:11945

約数の個数: 24

約数和(自身を含む): 170343600

約数和(自身を除く): 89466340

約数列:

[1, 2, 4, 5, 10, 20, 349, 698, 1396, 1745, 3490, 6980, 11587, 23174, 46348, 57935, 115870, 231740, 4043863, 8087726, 16175452, 20219315, 40438630, 80877260]

約数ペア:

[(1, 80877260), (2, 40438630), (4, 20219315), (5, 16175452), (10, 8087726), (20, 4043863), (349, 231740), (698, 115870), (1396, 57935), (1745, 46348), (3490, 23174), (6980, 11587)]