199167680

素因数分解:

$2^6\times 5^1\times {\mathrm{622399}}^1$

素因数の和:622416

約数の個数: 28

約数和(自身を含む): 474268800

約数和(自身を除く): 275101120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 622399, 1244798, 2489596, 3111995, 4979192, 6223990, 9958384, 12447980, 19916768, 24895960, 39833536, 49791920, 99583840, 199167680]

約数ペア:

[(1, 199167680), (2, 99583840), (4, 49791920), (5, 39833536), (8, 24895960), (10, 19916768), (16, 12447980), (20, 9958384), (32, 6223990), (40, 4979192), (64, 3111995), (80, 2489596), (160, 1244798), (320, 622399)]