79810940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{1823}}^1$

素因数の和:2042

約数の個数: 48

約数和(自身を含む): 183859200

約数和(自身を除く): 104048260

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 199, 220, 398, 796, 995, 1823, 1990, 2189, 3646, 3980, 4378, 7292, 8756, 9115, 10945, 18230, 20053, 21890, 36460, 40106, 43780, 80212, 100265, 200530, 362777, 401060, 725554, 1451108, 1813885, 3627770, 3990547, 7255540, 7981094, 15962188, 19952735, 39905470, 79810940]

約数ペア:

[(1, 79810940), (2, 39905470), (4, 19952735), (5, 15962188), (10, 7981094), (11, 7255540), (20, 3990547), (22, 3627770), (44, 1813885), (55, 1451108), (110, 725554), (199, 401060), (220, 362777), (398, 200530), (796, 100265), (995, 80212), (1823, 43780), (1990, 40106), (2189, 36460), (3646, 21890), (3980, 20053), (4378, 18230), (7292, 10945), (8756, 9115)]