54891280

素因数分解:

$2^4\times 5^1\times {\mathrm{686141}}^1$

素因数の和:686154

約数の個数: 20

約数和(自身を含む): 127622412

約数和(自身を除く): 72731132

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 686141, 1372282, 2744564, 3430705, 5489128, 6861410, 10978256, 13722820, 27445640, 54891280]

約数ペア:

[(1, 54891280), (2, 27445640), (4, 13722820), (5, 10978256), (8, 6861410), (10, 5489128), (16, 3430705), (20, 2744564), (40, 1372282), (80, 686141)]