209266040

素因数分解:

$2^3\times 5^1\times {\mathrm{193}}^1\times {\mathrm{27107}}^1$

素因数の和:27311

約数の個数: 32

約数和(自身を含む): 473305680

約数和(自身を除く): 264039640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 193, 386, 772, 965, 1544, 1930, 3860, 7720, 27107, 54214, 108428, 135535, 216856, 271070, 542140, 1084280, 5231651, 10463302, 20926604, 26158255, 41853208, 52316510, 104633020, 209266040]

約数ペア:

[(1, 209266040), (2, 104633020), (4, 52316510), (5, 41853208), (8, 26158255), (10, 20926604), (20, 10463302), (40, 5231651), (193, 1084280), (386, 542140), (772, 271070), (965, 216856), (1544, 135535), (1930, 108428), (3860, 54214), (7720, 27107)]