28542410

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{16889}}^1$

素因数の和:16922

約数の個数: 24

約数和(自身を含む): 55635660

約数和(自身を除く): 27093250

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 845, 1690, 16889, 33778, 84445, 168890, 219557, 439114, 1097785, 2195570, 2854241, 5708482, 14271205, 28542410]

約数ペア:

[(1, 28542410), (2, 14271205), (5, 5708482), (10, 2854241), (13, 2195570), (26, 1097785), (65, 439114), (130, 219557), (169, 168890), (338, 84445), (845, 33778), (1690, 16889)]