105538872080

素因数分解:

$2^4\times 5^1\times {\mathrm{1319235901}}^1$

素因数の和:1319235914

約数の個数: 20

約数和(自身を含む): 245377877772

約数和(自身を除く): 139839005692

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1319235901, 2638471802, 5276943604, 6596179505, 10553887208, 13192359010, 21107774416, 26384718020, 52769436040, 105538872080]

約数ペア:

[(1, 105538872080), (2, 52769436040), (4, 26384718020), (5, 21107774416), (8, 13192359010), (10, 10553887208), (16, 6596179505), (20, 5276943604), (40, 2638471802), (80, 1319235901)]