15512240

素因数分解:

$2^4\times 5^1\times {\mathrm{97}}^1\times {\mathrm{1999}}^1$

素因数の和:2109

約数の個数: 40

約数和(自身を含む): 36456000

約数和(自身を除く): 20943760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 97, 194, 388, 485, 776, 970, 1552, 1940, 1999, 3880, 3998, 7760, 7996, 9995, 15992, 19990, 31984, 39980, 79960, 159920, 193903, 387806, 775612, 969515, 1551224, 1939030, 3102448, 3878060, 7756120, 15512240]

約数ペア:

[(1, 15512240), (2, 7756120), (4, 3878060), (5, 3102448), (8, 1939030), (10, 1551224), (16, 969515), (20, 775612), (40, 387806), (80, 193903), (97, 159920), (194, 79960), (388, 39980), (485, 31984), (776, 19990), (970, 15992), (1552, 9995), (1940, 7996), (1999, 7760), (3880, 3998)]