25720016

素因数分解:

$2^4\times 7^1\times {\mathrm{131}}^1\times {\mathrm{1753}}^1$

素因数の和:1899

約数の個数: 40

約数和(自身を含む): 57418944

約数和(自身を除く): 31698928

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 131, 262, 524, 917, 1048, 1753, 1834, 2096, 3506, 3668, 7012, 7336, 12271, 14024, 14672, 24542, 28048, 49084, 98168, 196336, 229643, 459286, 918572, 1607501, 1837144, 3215002, 3674288, 6430004, 12860008, 25720016]

約数ペア:

[(1, 25720016), (2, 12860008), (4, 6430004), (7, 3674288), (8, 3215002), (14, 1837144), (16, 1607501), (28, 918572), (56, 459286), (112, 229643), (131, 196336), (262, 98168), (524, 49084), (917, 28048), (1048, 24542), (1753, 14672), (1834, 14024), (2096, 12271), (3506, 7336), (3668, 7012)]