80446280

素因数分解:

$2^3\times 5^1\times {\mathrm{307}}^1\times {\mathrm{6551}}^1$

素因数の和:6869

約数の個数: 32

約数和(自身を含む): 181621440

約数和(自身を除く): 101175160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 307, 614, 1228, 1535, 2456, 3070, 6140, 6551, 12280, 13102, 26204, 32755, 52408, 65510, 131020, 262040, 2011157, 4022314, 8044628, 10055785, 16089256, 20111570, 40223140, 80446280]

約数ペア:

[(1, 80446280), (2, 40223140), (4, 20111570), (5, 16089256), (8, 10055785), (10, 8044628), (20, 4022314), (40, 2011157), (307, 262040), (614, 131020), (1228, 65510), (1535, 52408), (2456, 32755), (3070, 26204), (6140, 13102), (6551, 12280)]