28194280

素因数分解:

$2^3\times 5^1\times {\mathrm{704857}}^1$

素因数の和:704868

約数の個数: 16

約数和(自身を含む): 63437220

約数和(自身を除く): 35242940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 704857, 1409714, 2819428, 3524285, 5638856, 7048570, 14097140, 28194280]

約数ペア:

[(1, 28194280), (2, 14097140), (4, 7048570), (5, 5638856), (8, 3524285), (10, 2819428), (20, 1409714), (40, 704857)]