12479840

素因数分解:

$2^5\times 5^1\times {\mathrm{77999}}^1$

素因数の和:78014

約数の個数: 24

約数和(自身を含む): 29484000

約数和(自身を除く): 17004160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 77999, 155998, 311996, 389995, 623992, 779990, 1247984, 1559980, 2495968, 3119960, 6239920, 12479840]

約数ペア:

[(1, 12479840), (2, 6239920), (4, 3119960), (5, 2495968), (8, 1559980), (10, 1247984), (16, 779990), (20, 623992), (32, 389995), (40, 311996), (80, 155998), (160, 77999)]