9791920

素因数分解:

$2^4\times 5^1\times {\mathrm{122399}}^1$

素因数の和:122412

約数の個数: 20

約数和(自身を含む): 22766400

約数和(自身を除く): 12974480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 122399, 244798, 489596, 611995, 979192, 1223990, 1958384, 2447980, 4895960, 9791920]

約数ペア:

[(1, 9791920), (2, 4895960), (4, 2447980), (5, 1958384), (8, 1223990), (10, 979192), (16, 611995), (20, 489596), (40, 244798), (80, 122399)]