8745040

素因数分解:

$2^4\times 5^1\times {\mathrm{109313}}^1$

素因数の和:109326

約数の個数: 20

約数和(自身を含む): 20332404

約数和(自身を除く): 11587364

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 109313, 218626, 437252, 546565, 874504, 1093130, 1749008, 2186260, 4372520, 8745040]

約数ペア:

[(1, 8745040), (2, 4372520), (4, 2186260), (5, 1749008), (8, 1093130), (10, 874504), (16, 546565), (20, 437252), (40, 218626), (80, 109313)]