2051213480

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{1091071}}^1$

素因数の和:1091129

約数の個数: 32

約数和(自身を含む): 4713431040

約数和(自身を除く): 2662217560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 1091071, 2182142, 4364284, 5455355, 8728568, 10910710, 21821420, 43642840, 51280337, 102560674, 205121348, 256401685, 410242696, 512803370, 1025606740, 2051213480]

約数ペア:

[(1, 2051213480), (2, 1025606740), (4, 512803370), (5, 410242696), (8, 256401685), (10, 205121348), (20, 102560674), (40, 51280337), (47, 43642840), (94, 21821420), (188, 10910710), (235, 8728568), (376, 5455355), (470, 4364284), (940, 2182142), (1880, 1091071)]