6876560

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1999}}^1$

素因数の和:2055

約数の個数: 40

約数和(自身を含む): 16368000

約数和(自身を除く): 9491440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 1999, 3440, 3998, 7996, 9995, 15992, 19990, 31984, 39980, 79960, 85957, 159920, 171914, 343828, 429785, 687656, 859570, 1375312, 1719140, 3438280, 6876560]

約数ペア:

[(1, 6876560), (2, 3438280), (4, 1719140), (5, 1375312), (8, 859570), (10, 687656), (16, 429785), (20, 343828), (40, 171914), (43, 159920), (80, 85957), (86, 79960), (172, 39980), (215, 31984), (344, 19990), (430, 15992), (688, 9995), (860, 7996), (1720, 3998), (1999, 3440)]