8667920

素因数分解:

$2^4\times 5^1\times {\mathrm{97}}^1\times {\mathrm{1117}}^1$

素因数の和:1227

約数の個数: 40

約数和(自身を含む): 20378904

約数和(自身を除く): 11710984

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 97, 194, 388, 485, 776, 970, 1117, 1552, 1940, 2234, 3880, 4468, 5585, 7760, 8936, 11170, 17872, 22340, 44680, 89360, 108349, 216698, 433396, 541745, 866792, 1083490, 1733584, 2166980, 4333960, 8667920]

約数ペア:

[(1, 8667920), (2, 4333960), (4, 2166980), (5, 1733584), (8, 1083490), (10, 866792), (16, 541745), (20, 433396), (40, 216698), (80, 108349), (97, 89360), (194, 44680), (388, 22340), (485, 17872), (776, 11170), (970, 8936), (1117, 7760), (1552, 5585), (1940, 4468), (2234, 3880)]