803975920

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{4591}}^1$

素因数の和:4814

約数の個数: 80

約数和(自身を含む): 2049868800

約数和(自身を除く): 1245892880

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 199, 220, 398, 440, 796, 880, 995, 1592, 1990, 2189, 3184, 3980, 4378, 4591, 7960, 8756, 9182, 10945, 15920, 17512, 18364, 21890, 22955, 35024, 36728, 43780, 45910, 50501, 73456, 87560, 91820, 101002, 175120, 183640, 202004, 252505, 367280, 404008, 505010, 808016, 913609, 1010020, 1827218, 2020040, 3654436, 4040080, 4568045, 7308872, 9136090, 10049699, 14617744, 18272180, 20099398, 36544360, 40198796, 50248495, 73088720, 80397592, 100496990, 160795184, 200993980, 401987960, 803975920]

約数ペア:

[(1, 803975920), (2, 401987960), (4, 200993980), (5, 160795184), (8, 100496990), (10, 80397592), (11, 73088720), (16, 50248495), (20, 40198796), (22, 36544360), (40, 20099398), (44, 18272180), (55, 14617744), (80, 10049699), (88, 9136090), (110, 7308872), (176, 4568045), (199, 4040080), (220, 3654436), (398, 2020040), (440, 1827218), (796, 1010020), (880, 913609), (995, 808016), (1592, 505010), (1990, 404008), (2189, 367280), (3184, 252505), (3980, 202004), (4378, 183640), (4591, 175120), (7960, 101002), (8756, 91820), (9182, 87560), (10945, 73456), (15920, 50501), (17512, 45910), (18364, 43780), (21890, 36728), (22955, 35024)]