139688840

素因数分解:

$2^3\times 5^1\times {\mathrm{1433}}^1\times {\mathrm{2437}}^1$

素因数の和:3881

約数の個数: 32

約数和(自身を含む): 314648280

約数和(自身を除く): 174959440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1433, 2437, 2866, 4874, 5732, 7165, 9748, 11464, 12185, 14330, 19496, 24370, 28660, 48740, 57320, 97480, 3492221, 6984442, 13968884, 17461105, 27937768, 34922210, 69844420, 139688840]

約数ペア:

[(1, 139688840), (2, 69844420), (4, 34922210), (5, 27937768), (8, 17461105), (10, 13968884), (20, 6984442), (40, 3492221), (1433, 97480), (2437, 57320), (2866, 48740), (4874, 28660), (5732, 24370), (7165, 19496), (9748, 14330), (11464, 12185)]