7756120

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{1999}}^1$

素因数の和:2107

約数の個数: 32

約数和(自身を含む): 17640000

約数和(自身を除く): 9883880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 388, 485, 776, 970, 1940, 1999, 3880, 3998, 7996, 9995, 15992, 19990, 39980, 79960, 193903, 387806, 775612, 969515, 1551224, 1939030, 3878060, 7756120]

約数ペア:

[(1, 7756120), (2, 3878060), (4, 1939030), (5, 1551224), (8, 969515), (10, 775612), (20, 387806), (40, 193903), (97, 79960), (194, 39980), (388, 19990), (485, 15992), (776, 9995), (970, 7996), (1940, 3998), (1999, 3880)]