2048578640

素因数分解:

$2^4\times 5^1\times {\mathrm{25607233}}^1$

素因数の和:25607246

約数の個数: 20

約数和(自身を含む): 4762945524

約数和(自身を除く): 2714366884

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 25607233, 51214466, 102428932, 128036165, 204857864, 256072330, 409715728, 512144660, 1024289320, 2048578640]

約数ペア:

[(1, 2048578640), (2, 1024289320), (4, 512144660), (5, 409715728), (8, 256072330), (10, 204857864), (16, 128036165), (20, 102428932), (40, 51214466), (80, 25607233)]