145428560

素因数分解:

$2^4\times 5^1\times {\mathrm{499}}^1\times {\mathrm{3643}}^1$

素因数の和:4155

約数の個数: 40

約数和(自身を含む): 338892000

約数和(自身を除く): 193463440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 499, 998, 1996, 2495, 3643, 3992, 4990, 7286, 7984, 9980, 14572, 18215, 19960, 29144, 36430, 39920, 58288, 72860, 145720, 291440, 1817857, 3635714, 7271428, 9089285, 14542856, 18178570, 29085712, 36357140, 72714280, 145428560]

約数ペア:

[(1, 145428560), (2, 72714280), (4, 36357140), (5, 29085712), (8, 18178570), (10, 14542856), (16, 9089285), (20, 7271428), (40, 3635714), (80, 1817857), (499, 291440), (998, 145720), (1996, 72860), (2495, 58288), (3643, 39920), (3992, 36430), (4990, 29144), (7286, 19960), (7984, 18215), (9980, 14572)]