25376720

素因数分解:

$2^4\times 5^1\times {\mathrm{317209}}^1$

素因数の和:317222

約数の個数: 20

約数和(自身を含む): 59001060

約数和(自身を除く): 33624340

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 317209, 634418, 1268836, 1586045, 2537672, 3172090, 5075344, 6344180, 12688360, 25376720]

約数ペア:

[(1, 25376720), (2, 12688360), (4, 6344180), (5, 5075344), (8, 3172090), (10, 2537672), (16, 1586045), (20, 1268836), (40, 634418), (80, 317209)]