55680280

素因数分解:

$2^3\times 5^1\times {\mathrm{1392007}}^1$

素因数の和:1392018

約数の個数: 16

約数和(自身を含む): 125280720

約数和(自身を除く): 69600440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1392007, 2784014, 5568028, 6960035, 11136056, 13920070, 27840140, 55680280]

約数ペア:

[(1, 55680280), (2, 27840140), (4, 13920070), (5, 11136056), (8, 6960035), (10, 5568028), (20, 2784014), (40, 1392007)]