25704820

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{9811}}^1$

素因数の和:9951

約数の個数: 24

約数和(自身を含む): 54397728

約数和(自身を除く): 28692908

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 2620, 9811, 19622, 39244, 49055, 98110, 196220, 1285241, 2570482, 5140964, 6426205, 12852410, 25704820]

約数ペア:

[(1, 25704820), (2, 12852410), (4, 6426205), (5, 5140964), (10, 2570482), (20, 1285241), (131, 196220), (262, 98110), (524, 49055), (655, 39244), (1310, 19622), (2620, 9811)]