27756740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{1777}}^1$

素因数の和:1868

約数の個数: 48

約数和(自身を含む): 64520064

約数和(自身を除く): 36763324

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 71, 110, 142, 220, 284, 355, 710, 781, 1420, 1562, 1777, 3124, 3554, 3905, 7108, 7810, 8885, 15620, 17770, 19547, 35540, 39094, 78188, 97735, 126167, 195470, 252334, 390940, 504668, 630835, 1261670, 1387837, 2523340, 2775674, 5551348, 6939185, 13878370, 27756740]

約数ペア:

[(1, 27756740), (2, 13878370), (4, 6939185), (5, 5551348), (10, 2775674), (11, 2523340), (20, 1387837), (22, 1261670), (44, 630835), (55, 504668), (71, 390940), (110, 252334), (142, 195470), (220, 126167), (284, 97735), (355, 78188), (710, 39094), (781, 35540), (1420, 19547), (1562, 17770), (1777, 15620), (3124, 8885), (3554, 7810), (3905, 7108)]