195039920

素因数分解:

$2^4\times 5^1\times {\mathrm{2437999}}^1$

素因数の和:2438012

約数の個数: 20

約数和(自身を含む): 453468000

約数和(自身を除く): 258428080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2437999, 4875998, 9751996, 12189995, 19503992, 24379990, 39007984, 48759980, 97519960, 195039920]

約数ペア:

[(1, 195039920), (2, 97519960), (4, 48759980), (5, 39007984), (8, 24379990), (10, 19503992), (16, 12189995), (20, 9751996), (40, 4875998), (80, 2437999)]