1839823840

素因数分解:

$2^5\times 5^1\times {\mathrm{641}}^1\times {\mathrm{17939}}^1$

素因数の和:18595

約数の個数: 48

約数和(自身を含む): 4353607440

約数和(自身を除く): 2513783600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 641, 1282, 2564, 3205, 5128, 6410, 10256, 12820, 17939, 20512, 25640, 35878, 51280, 71756, 89695, 102560, 143512, 179390, 287024, 358780, 574048, 717560, 1435120, 2870240, 11498899, 22997798, 45995596, 57494495, 91991192, 114988990, 183982384, 229977980, 367964768, 459955960, 919911920, 1839823840]

約数ペア:

[(1, 1839823840), (2, 919911920), (4, 459955960), (5, 367964768), (8, 229977980), (10, 183982384), (16, 114988990), (20, 91991192), (32, 57494495), (40, 45995596), (80, 22997798), (160, 11498899), (641, 2870240), (1282, 1435120), (2564, 717560), (3205, 574048), (5128, 358780), (6410, 287024), (10256, 179390), (12820, 143512), (17939, 102560), (20512, 89695), (25640, 71756), (35878, 51280)]