28754620

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{27127}}^1$

素因数の和:27189

約数の個数: 24

約数和(自身を含む): 61526304

約数和(自身を除く): 32771684

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 265, 530, 1060, 27127, 54254, 108508, 135635, 271270, 542540, 1437731, 2875462, 5750924, 7188655, 14377310, 28754620]

約数ペア:

[(1, 28754620), (2, 14377310), (4, 7188655), (5, 5750924), (10, 2875462), (20, 1437731), (53, 542540), (106, 271270), (212, 135635), (265, 108508), (530, 54254), (1060, 27127)]