8162980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{293}}^1$

素因数の和:508

約数の個数: 48

約数和(自身を含む): 19756800

約数和(自身を除く): 11593820

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 199, 293, 398, 586, 796, 995, 1172, 1393, 1465, 1990, 2051, 2786, 2930, 3980, 4102, 5572, 5860, 6965, 8204, 10255, 13930, 20510, 27860, 41020, 58307, 116614, 233228, 291535, 408149, 583070, 816298, 1166140, 1632596, 2040745, 4081490, 8162980]

約数ペア:

[(1, 8162980), (2, 4081490), (4, 2040745), (5, 1632596), (7, 1166140), (10, 816298), (14, 583070), (20, 408149), (28, 291535), (35, 233228), (70, 116614), (140, 58307), (199, 41020), (293, 27860), (398, 20510), (586, 13930), (796, 10255), (995, 8204), (1172, 6965), (1393, 5860), (1465, 5572), (1990, 4102), (2051, 3980), (2786, 2930)]