54791380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{391367}}^1$

素因数の和:391383

約数の個数: 24

約数和(自身を含む): 131499648

約数和(自身を除く): 76708268

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 391367, 782734, 1565468, 1956835, 2739569, 3913670, 5479138, 7827340, 10958276, 13697845, 27395690, 54791380]

約数ペア:

[(1, 54791380), (2, 27395690), (4, 13697845), (5, 10958276), (7, 7827340), (10, 5479138), (14, 3913670), (20, 2739569), (28, 1956835), (35, 1565468), (70, 782734), (140, 391367)]