3820120

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{2221}}^1$

素因数の和:2275

約数の個数: 32

約数和(自身を含む): 8799120

約数和(自身を除く): 4979000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 2221, 4442, 8884, 11105, 17768, 22210, 44420, 88840, 95503, 191006, 382012, 477515, 764024, 955030, 1910060, 3820120]

約数ペア:

[(1, 3820120), (2, 1910060), (4, 955030), (5, 764024), (8, 477515), (10, 382012), (20, 191006), (40, 95503), (43, 88840), (86, 44420), (172, 22210), (215, 17768), (344, 11105), (430, 8884), (860, 4442), (1720, 2221)]