28678850

素因数分解:

$2^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{13339}}^1$

素因数の和:13394

約数の個数: 24

約数和(自身を含む): 54587280

約数和(自身を除く): 25908430

約数列:

[1, 2, 5, 10, 25, 43, 50, 86, 215, 430, 1075, 2150, 13339, 26678, 66695, 133390, 333475, 573577, 666950, 1147154, 2867885, 5735770, 14339425, 28678850]

約数ペア:

[(1, 28678850), (2, 14339425), (5, 5735770), (10, 2867885), (25, 1147154), (43, 666950), (50, 573577), (86, 333475), (215, 133390), (430, 66695), (1075, 26678), (2150, 13339)]