9770840

素因数分解:

$2^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{1783}}^1$

素因数の和:1931

約数の個数: 32

約数和(自身を含む): 22157280

約数和(自身を除く): 12386440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 137, 274, 548, 685, 1096, 1370, 1783, 2740, 3566, 5480, 7132, 8915, 14264, 17830, 35660, 71320, 244271, 488542, 977084, 1221355, 1954168, 2442710, 4885420, 9770840]

約数ペア:

[(1, 9770840), (2, 4885420), (4, 2442710), (5, 1954168), (8, 1221355), (10, 977084), (20, 488542), (40, 244271), (137, 71320), (274, 35660), (548, 17830), (685, 14264), (1096, 8915), (1370, 7132), (1783, 5480), (2740, 3566)]