86419880

素因数分解:

$2^3\times 5^1\times {\mathrm{857}}^1\times {\mathrm{2521}}^1$

素因数の和:3389

約数の個数: 32

約数和(自身を含む): 194748840

約数和(自身を除く): 108328960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 857, 1714, 2521, 3428, 4285, 5042, 6856, 8570, 10084, 12605, 17140, 20168, 25210, 34280, 50420, 100840, 2160497, 4320994, 8641988, 10802485, 17283976, 21604970, 43209940, 86419880]

約数ペア:

[(1, 86419880), (2, 43209940), (4, 21604970), (5, 17283976), (8, 10802485), (10, 8641988), (20, 4320994), (40, 2160497), (857, 100840), (1714, 50420), (2521, 34280), (3428, 25210), (4285, 20168), (5042, 17140), (6856, 12605), (8570, 10084)]