57171880

素因数分解:

$2^3\times 5^1\times {\mathrm{353}}^1\times {\mathrm{4049}}^1$

素因数の和:4413

約数の個数: 32

約数和(自身を含む): 129033000

約数和(自身を除く): 71861120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 353, 706, 1412, 1765, 2824, 3530, 4049, 7060, 8098, 14120, 16196, 20245, 32392, 40490, 80980, 161960, 1429297, 2858594, 5717188, 7146485, 11434376, 14292970, 28585940, 57171880]

約数ペア:

[(1, 57171880), (2, 28585940), (4, 14292970), (5, 11434376), (8, 7146485), (10, 5717188), (20, 2858594), (40, 1429297), (353, 161960), (706, 80980), (1412, 40490), (1765, 32392), (2824, 20245), (3530, 16196), (4049, 14120), (7060, 8098)]