1668440

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{787}}^1$

素因数の和:851

約数の個数: 32

約数和(自身を含む): 3829680

約数和(自身を除く): 2161240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 787, 1060, 1574, 2120, 3148, 3935, 6296, 7870, 15740, 31480, 41711, 83422, 166844, 208555, 333688, 417110, 834220, 1668440]

約数ペア:

[(1, 1668440), (2, 834220), (4, 417110), (5, 333688), (8, 208555), (10, 166844), (20, 83422), (40, 41711), (53, 31480), (106, 15740), (212, 7870), (265, 6296), (424, 3935), (530, 3148), (787, 2120), (1060, 1574)]