78007480

素因数分解:

$2^3\times 5^1\times {\mathrm{1950187}}^1$

素因数の和:1950198

約数の個数: 16

約数和(自身を含む): 175516920

約数和(自身を除く): 97509440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1950187, 3900374, 7800748, 9750935, 15601496, 19501870, 39003740, 78007480]

約数ペア:

[(1, 78007480), (2, 39003740), (4, 19501870), (5, 15601496), (8, 9750935), (10, 7800748), (20, 3900374), (40, 1950187)]