55977880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{199921}}^1$

素因数の和:199939

約数の個数: 32

約数和(自身を含む): 143943840

約数和(自身を除く): 87965960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 199921, 399842, 799684, 999605, 1399447, 1599368, 1999210, 2798894, 3998420, 5597788, 6997235, 7996840, 11195576, 13994470, 27988940, 55977880]

約数ペア:

[(1, 55977880), (2, 27988940), (4, 13994470), (5, 11195576), (7, 7996840), (8, 6997235), (10, 5597788), (14, 3998420), (20, 2798894), (28, 1999210), (35, 1599368), (40, 1399447), (56, 999605), (70, 799684), (140, 399842), (280, 199921)]