51214040

素因数分解:

$2^3\times 5^1\times {\mathrm{251}}^1\times {\mathrm{5101}}^1$

素因数の和:5363

約数の個数: 32

約数和(自身を含む): 115713360

約数和(自身を除く): 64499320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 251, 502, 1004, 1255, 2008, 2510, 5020, 5101, 10040, 10202, 20404, 25505, 40808, 51010, 102020, 204040, 1280351, 2560702, 5121404, 6401755, 10242808, 12803510, 25607020, 51214040]

約数ペア:

[(1, 51214040), (2, 25607020), (4, 12803510), (5, 10242808), (8, 6401755), (10, 5121404), (20, 2560702), (40, 1280351), (251, 204040), (502, 102020), (1004, 51010), (1255, 40808), (2008, 25505), (2510, 20404), (5020, 10202), (5101, 10040)]