28355620

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{48889}}^1$

素因数の和:48927

約数の個数: 24

約数和(自身を含む): 61601400

約数和(自身を除く): 33245780

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 48889, 97778, 195556, 244445, 488890, 977780, 1417781, 2835562, 5671124, 7088905, 14177810, 28355620]

約数ペア:

[(1, 28355620), (2, 14177810), (4, 7088905), (5, 5671124), (10, 2835562), (20, 1417781), (29, 977780), (58, 488890), (116, 244445), (145, 195556), (290, 97778), (580, 48889)]