50538040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{907}}^1$

素因数の和:1124

約数の個数: 64

約数和(自身を含む): 130752000

約数和(自身を除く): 80213960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 199, 280, 398, 796, 907, 995, 1393, 1592, 1814, 1990, 2786, 3628, 3980, 4535, 5572, 6349, 6965, 7256, 7960, 9070, 11144, 12698, 13930, 18140, 25396, 27860, 31745, 36280, 50792, 55720, 63490, 126980, 180493, 253960, 360986, 721972, 902465, 1263451, 1443944, 1804930, 2526902, 3609860, 5053804, 6317255, 7219720, 10107608, 12634510, 25269020, 50538040]

約数ペア:

[(1, 50538040), (2, 25269020), (4, 12634510), (5, 10107608), (7, 7219720), (8, 6317255), (10, 5053804), (14, 3609860), (20, 2526902), (28, 1804930), (35, 1443944), (40, 1263451), (56, 902465), (70, 721972), (140, 360986), (199, 253960), (280, 180493), (398, 126980), (796, 63490), (907, 55720), (995, 50792), (1393, 36280), (1592, 31745), (1814, 27860), (1990, 25396), (2786, 18140), (3628, 13930), (3980, 12698), (4535, 11144), (5572, 9070), (6349, 7960), (6965, 7256)]