87341960

素因数分解:

$2^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{20407}}^1$

素因数の和:20525

約数の個数: 32

約数和(自身を含む): 198365760

約数和(自身を除く): 111023800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 107, 214, 428, 535, 856, 1070, 2140, 4280, 20407, 40814, 81628, 102035, 163256, 204070, 408140, 816280, 2183549, 4367098, 8734196, 10917745, 17468392, 21835490, 43670980, 87341960]

約数ペア:

[(1, 87341960), (2, 43670980), (4, 21835490), (5, 17468392), (8, 10917745), (10, 8734196), (20, 4367098), (40, 2183549), (107, 816280), (214, 408140), (428, 204070), (535, 163256), (856, 102035), (1070, 81628), (2140, 40814), (4280, 20407)]