227181520

素因数分解:

$2^4\times 5^1\times {\mathrm{2839769}}^1$

素因数の和:2839782

約数の個数: 20

約数和(自身を含む): 528197220

約数和(自身を除く): 301015700

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2839769, 5679538, 11359076, 14198845, 22718152, 28397690, 45436304, 56795380, 113590760, 227181520]

約数ペア:

[(1, 227181520), (2, 113590760), (4, 56795380), (5, 45436304), (8, 28397690), (10, 22718152), (16, 14198845), (20, 11359076), (40, 5679538), (80, 2839769)]