12209960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{43607}}^1$

素因数の和:43625

約数の個数: 32

約数和(自身を含む): 31397760

約数和(自身を除く): 19187800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 43607, 87214, 174428, 218035, 305249, 348856, 436070, 610498, 872140, 1220996, 1526245, 1744280, 2441992, 3052490, 6104980, 12209960]

約数ペア:

[(1, 12209960), (2, 6104980), (4, 3052490), (5, 2441992), (7, 1744280), (8, 1526245), (10, 1220996), (14, 872140), (20, 610498), (28, 436070), (35, 348856), (40, 305249), (56, 218035), (70, 174428), (140, 87214), (280, 43607)]