55657880

素因数分解:

$2^3\times 5^1\times {\mathrm{1391447}}^1$

素因数の和:1391458

約数の個数: 16

約数和(自身を含む): 125230320

約数和(自身を除く): 69572440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1391447, 2782894, 5565788, 6957235, 11131576, 13914470, 27828940, 55657880]

約数ペア:

[(1, 55657880), (2, 27828940), (4, 13914470), (5, 11131576), (8, 6957235), (10, 5565788), (20, 2782894), (40, 1391447)]