27665720

素因数分解:

$2^3\times 5^1\times {\mathrm{647}}^1\times {\mathrm{1069}}^1$

素因数の和:1727

約数の個数: 32

約数和(自身を含む): 62402400

約数和(自身を除く): 34736680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 647, 1069, 1294, 2138, 2588, 3235, 4276, 5176, 5345, 6470, 8552, 10690, 12940, 21380, 25880, 42760, 691643, 1383286, 2766572, 3458215, 5533144, 6916430, 13832860, 27665720]

約数ペア:

[(1, 27665720), (2, 13832860), (4, 6916430), (5, 5533144), (8, 3458215), (10, 2766572), (20, 1383286), (40, 691643), (647, 42760), (1069, 25880), (1294, 21380), (2138, 12940), (2588, 10690), (3235, 8552), (4276, 6470), (5176, 5345)]