23489800

素因数分解:

$2^3\times 5^2\times {\mathrm{257}}^1\times {\mathrm{457}}^1$

素因数の和:730

約数の個数: 48

約数和(自身を含む): 54946260

約数和(自身を除く): 31456460

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 257, 457, 514, 914, 1028, 1285, 1828, 2056, 2285, 2570, 3656, 4570, 5140, 6425, 9140, 10280, 11425, 12850, 18280, 22850, 25700, 45700, 51400, 91400, 117449, 234898, 469796, 587245, 939592, 1174490, 2348980, 2936225, 4697960, 5872450, 11744900, 23489800]

約数ペア:

[(1, 23489800), (2, 11744900), (4, 5872450), (5, 4697960), (8, 2936225), (10, 2348980), (20, 1174490), (25, 939592), (40, 587245), (50, 469796), (100, 234898), (200, 117449), (257, 91400), (457, 51400), (514, 45700), (914, 25700), (1028, 22850), (1285, 18280), (1828, 12850), (2056, 11425), (2285, 10280), (2570, 9140), (3656, 6425), (4570, 5140)]