7148080

素因数分解:

$2^4\times 5^1\times {\mathrm{199}}^1\times {\mathrm{449}}^1$

素因数の和:661

約数の個数: 40

約数和(自身を含む): 16740000

約数和(自身を除く): 9591920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 199, 398, 449, 796, 898, 995, 1592, 1796, 1990, 2245, 3184, 3592, 3980, 4490, 7184, 7960, 8980, 15920, 17960, 35920, 89351, 178702, 357404, 446755, 714808, 893510, 1429616, 1787020, 3574040, 7148080]

約数ペア:

[(1, 7148080), (2, 3574040), (4, 1787020), (5, 1429616), (8, 893510), (10, 714808), (16, 446755), (20, 357404), (40, 178702), (80, 89351), (199, 35920), (398, 17960), (449, 15920), (796, 8980), (898, 7960), (995, 7184), (1592, 4490), (1796, 3980), (1990, 3592), (2245, 3184)]