40445920

素因数分解:

$2^5\times 5^1\times {\mathrm{449}}^1\times {\mathrm{563}}^1$

素因数の和:1027

約数の個数: 48

約数和(自身を含む): 95936400

約数和(自身を除く): 55490480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 449, 563, 898, 1126, 1796, 2245, 2252, 2815, 3592, 4490, 4504, 5630, 7184, 8980, 9008, 11260, 14368, 17960, 18016, 22520, 35920, 45040, 71840, 90080, 252787, 505574, 1011148, 1263935, 2022296, 2527870, 4044592, 5055740, 8089184, 10111480, 20222960, 40445920]

約数ペア:

[(1, 40445920), (2, 20222960), (4, 10111480), (5, 8089184), (8, 5055740), (10, 4044592), (16, 2527870), (20, 2022296), (32, 1263935), (40, 1011148), (80, 505574), (160, 252787), (449, 90080), (563, 71840), (898, 45040), (1126, 35920), (1796, 22520), (2245, 18016), (2252, 17960), (2815, 14368), (3592, 11260), (4490, 9008), (4504, 8980), (5630, 7184)]