13643440

素因数分解:

$2^4\times 5^1\times {\mathrm{199}}^1\times {\mathrm{857}}^1$

素因数の和:1069

約数の個数: 40

約数和(自身を含む): 31917600

約数和(自身を除く): 18274160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 199, 398, 796, 857, 995, 1592, 1714, 1990, 3184, 3428, 3980, 4285, 6856, 7960, 8570, 13712, 15920, 17140, 34280, 68560, 170543, 341086, 682172, 852715, 1364344, 1705430, 2728688, 3410860, 6821720, 13643440]

約数ペア:

[(1, 13643440), (2, 6821720), (4, 3410860), (5, 2728688), (8, 1705430), (10, 1364344), (16, 852715), (20, 682172), (40, 341086), (80, 170543), (199, 68560), (398, 34280), (796, 17140), (857, 15920), (995, 13712), (1592, 8570), (1714, 7960), (1990, 6856), (3184, 4285), (3428, 3980)]