57186380

素因数分解:

$2^2\times 5^1\times {\mathrm{409}}^1\times {\mathrm{6991}}^1$

素因数の和:7409

約数の個数: 24

約数和(自身を含む): 120402240

約数和(自身を除く): 63215860

約数列:

[1, 2, 4, 5, 10, 20, 409, 818, 1636, 2045, 4090, 6991, 8180, 13982, 27964, 34955, 69910, 139820, 2859319, 5718638, 11437276, 14296595, 28593190, 57186380]

約数ペア:

[(1, 57186380), (2, 28593190), (4, 14296595), (5, 11437276), (10, 5718638), (20, 2859319), (409, 139820), (818, 69910), (1636, 34955), (2045, 27964), (4090, 13982), (6991, 8180)]