2720848

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{127}}^1$

素因数の和:251

約数の個数: 40

約数和(自身を含む): 5777408

約数和(自身を除く): 3056560

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 103, 104, 127, 206, 208, 254, 412, 508, 824, 1016, 1339, 1648, 1651, 2032, 2678, 3302, 5356, 6604, 10712, 13081, 13208, 21424, 26162, 26416, 52324, 104648, 170053, 209296, 340106, 680212, 1360424, 2720848]

約数ペア:

[(1, 2720848), (2, 1360424), (4, 680212), (8, 340106), (13, 209296), (16, 170053), (26, 104648), (52, 52324), (103, 26416), (104, 26162), (127, 21424), (206, 13208), (208, 13081), (254, 10712), (412, 6604), (508, 5356), (824, 3302), (1016, 2678), (1339, 2032), (1648, 1651)]