2019947560

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{567401}}^1$

素因数の和:567501

約数の個数: 32

約数和(自身を含む): 4595956200

約数和(自身を除く): 2576008640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 3560, 567401, 1134802, 2269604, 2837005, 4539208, 5674010, 11348020, 22696040, 50498689, 100997378, 201994756, 252493445, 403989512, 504986890, 1009973780, 2019947560]

約数ペア:

[(1, 2019947560), (2, 1009973780), (4, 504986890), (5, 403989512), (8, 252493445), (10, 201994756), (20, 100997378), (40, 50498689), (89, 22696040), (178, 11348020), (356, 5674010), (445, 4539208), (712, 2837005), (890, 2269604), (1780, 1134802), (3560, 567401)]