71381680

素因数分解:

$2^4\times 5^1\times {\mathrm{892271}}^1$

素因数の和:892284

約数の個数: 20

約数和(自身を含む): 165962592

約数和(自身を除く): 94580912

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 892271, 1784542, 3569084, 4461355, 7138168, 8922710, 14276336, 17845420, 35690840, 71381680]

約数ペア:

[(1, 71381680), (2, 35690840), (4, 17845420), (5, 14276336), (8, 8922710), (10, 7138168), (16, 4461355), (20, 3569084), (40, 1784542), (80, 892271)]