12492880

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{8219}}^1$

素因数の和:8251

約数の個数: 40

約数和(自身を含む): 30578400

約数和(自身を除く): 18085520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 8219, 16438, 32876, 41095, 65752, 82190, 131504, 156161, 164380, 312322, 328760, 624644, 657520, 780805, 1249288, 1561610, 2498576, 3123220, 6246440, 12492880]

約数ペア:

[(1, 12492880), (2, 6246440), (4, 3123220), (5, 2498576), (8, 1561610), (10, 1249288), (16, 780805), (19, 657520), (20, 624644), (38, 328760), (40, 312322), (76, 164380), (80, 156161), (95, 131504), (152, 82190), (190, 65752), (304, 41095), (380, 32876), (760, 16438), (1520, 8219)]