27999620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{127271}}^1$

素因数の和:127291

約数の個数: 24

約数和(自身を含む): 64145088

約数和(自身を除く): 36145468

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 127271, 254542, 509084, 636355, 1272710, 1399981, 2545420, 2799962, 5599924, 6999905, 13999810, 27999620]

約数ペア:

[(1, 27999620), (2, 13999810), (4, 6999905), (5, 5599924), (10, 2799962), (11, 2545420), (20, 1399981), (22, 1272710), (44, 636355), (55, 509084), (110, 254542), (220, 127271)]