8637040

素因数分解:

$2^4\times 5^1\times {\mathrm{107}}^1\times {\mathrm{1009}}^1$

素因数の和:1129

約数の個数: 40

約数和(自身を含む): 20288880

約数和(自身を除く): 11651840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 107, 214, 428, 535, 856, 1009, 1070, 1712, 2018, 2140, 4036, 4280, 5045, 8072, 8560, 10090, 16144, 20180, 40360, 80720, 107963, 215926, 431852, 539815, 863704, 1079630, 1727408, 2159260, 4318520, 8637040]

約数ペア:

[(1, 8637040), (2, 4318520), (4, 2159260), (5, 1727408), (8, 1079630), (10, 863704), (16, 539815), (20, 431852), (40, 215926), (80, 107963), (107, 80720), (214, 40360), (428, 20180), (535, 16144), (856, 10090), (1009, 8560), (1070, 8072), (1712, 5045), (2018, 4280), (2140, 4036)]