66886280

素因数分解:

$2^3\times 5^1\times {\mathrm{941}}^1\times {\mathrm{1777}}^1$

素因数の和:2729

約数の個数: 32

約数和(自身を含む): 150738840

約数和(自身を除く): 83852560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 941, 1777, 1882, 3554, 3764, 4705, 7108, 7528, 8885, 9410, 14216, 17770, 18820, 35540, 37640, 71080, 1672157, 3344314, 6688628, 8360785, 13377256, 16721570, 33443140, 66886280]

約数ペア:

[(1, 66886280), (2, 33443140), (4, 16721570), (5, 13377256), (8, 8360785), (10, 6688628), (20, 3344314), (40, 1672157), (941, 71080), (1777, 37640), (1882, 35540), (3554, 18820), (3764, 17770), (4705, 14216), (7108, 9410), (7528, 8885)]