2560168

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{239}}^1$

素因数の和:361

約数の個数: 32

約数和(自身を含む): 5241600

約数和(自身を除く): 2681432

約数列:

[1, 2, 4, 8, 13, 26, 52, 103, 104, 206, 239, 412, 478, 824, 956, 1339, 1912, 2678, 3107, 5356, 6214, 10712, 12428, 24617, 24856, 49234, 98468, 196936, 320021, 640042, 1280084, 2560168]

約数ペア:

[(1, 2560168), (2, 1280084), (4, 640042), (8, 320021), (13, 196936), (26, 98468), (52, 49234), (103, 24856), (104, 24617), (206, 12428), (239, 10712), (412, 6214), (478, 5356), (824, 3107), (956, 2678), (1339, 1912)]