187026440

素因数分解:

$2^3\times 5^1\times {\mathrm{1999}}^1\times {\mathrm{2339}}^1$

素因数の和:4349

約数の個数: 32

約数和(自身を含む): 421200000

約数和(自身を除く): 234173560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1999, 2339, 3998, 4678, 7996, 9356, 9995, 11695, 15992, 18712, 19990, 23390, 39980, 46780, 79960, 93560, 4675661, 9351322, 18702644, 23378305, 37405288, 46756610, 93513220, 187026440]

約数ペア:

[(1, 187026440), (2, 93513220), (4, 46756610), (5, 37405288), (8, 23378305), (10, 18702644), (20, 9351322), (40, 4675661), (1999, 93560), (2339, 79960), (3998, 46780), (4678, 39980), (7996, 23390), (9356, 19990), (9995, 18712), (11695, 15992)]