55939280

素因数分解:

$2^4\times 5^1\times {\mathrm{699241}}^1$

素因数の和:699254

約数の個数: 20

約数和(自身を含む): 130059012

約数和(自身を除く): 74119732

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 699241, 1398482, 2796964, 3496205, 5593928, 6992410, 11187856, 13984820, 27969640, 55939280]

約数ペア:

[(1, 55939280), (2, 27969640), (4, 13984820), (5, 11187856), (8, 6992410), (10, 5593928), (16, 3496205), (20, 2796964), (40, 1398482), (80, 699241)]