15119920

素因数分解:

$2^4\times 5^1\times {\mathrm{188999}}^1$

素因数の和:189012

約数の個数: 20

約数和(自身を含む): 35154000

約数和(自身を除く): 20034080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 188999, 377998, 755996, 944995, 1511992, 1889990, 3023984, 3779980, 7559960, 15119920]

約数ペア:

[(1, 15119920), (2, 7559960), (4, 3779980), (5, 3023984), (8, 1889990), (10, 1511992), (16, 944995), (20, 755996), (40, 377998), (80, 188999)]