157428760

素因数分解:

$2^3\times 5^1\times {\mathrm{3935719}}^1$

素因数の和:3935730

約数の個数: 16

約数和(自身を含む): 354214800

約数和(自身を除く): 196786040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3935719, 7871438, 15742876, 19678595, 31485752, 39357190, 78714380, 157428760]

約数ペア:

[(1, 157428760), (2, 78714380), (4, 39357190), (5, 31485752), (8, 19678595), (10, 15742876), (20, 7871438), (40, 3935719)]