212069680

素因数分解:

$2^4\times 5^1\times {\mathrm{127}}^1\times {\mathrm{20873}}^1$

素因数の和:21013

約数の個数: 40

約数和(自身を含む): 496968192

約数和(自身を除く): 284898512

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 127, 254, 508, 635, 1016, 1270, 2032, 2540, 5080, 10160, 20873, 41746, 83492, 104365, 166984, 208730, 333968, 417460, 834920, 1669840, 2650871, 5301742, 10603484, 13254355, 21206968, 26508710, 42413936, 53017420, 106034840, 212069680]

約数ペア:

[(1, 212069680), (2, 106034840), (4, 53017420), (5, 42413936), (8, 26508710), (10, 21206968), (16, 13254355), (20, 10603484), (40, 5301742), (80, 2650871), (127, 1669840), (254, 834920), (508, 417460), (635, 333968), (1016, 208730), (1270, 166984), (2032, 104365), (2540, 83492), (5080, 41746), (10160, 20873)]