2109551480

素因数分解:

$2^3\times 5^1\times {\mathrm{52738787}}^1$

素因数の和:52738798

約数の個数: 16

約数和(自身を含む): 4746490920

約数和(自身を除く): 2636939440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 52738787, 105477574, 210955148, 263693935, 421910296, 527387870, 1054775740, 2109551480]

約数ペア:

[(1, 2109551480), (2, 1054775740), (4, 527387870), (5, 421910296), (8, 263693935), (10, 210955148), (20, 105477574), (40, 52738787)]