3954520

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{907}}^1$

素因数の和:1027

約数の個数: 32

約数和(自身を含む): 8989200

約数和(自身を除く): 5034680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 907, 1090, 1814, 2180, 3628, 4360, 4535, 7256, 9070, 18140, 36280, 98863, 197726, 395452, 494315, 790904, 988630, 1977260, 3954520]

約数ペア:

[(1, 3954520), (2, 1977260), (4, 988630), (5, 790904), (8, 494315), (10, 395452), (20, 197726), (40, 98863), (109, 36280), (218, 18140), (436, 9070), (545, 7256), (872, 4535), (907, 4360), (1090, 3628), (1814, 2180)]