25400420

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{13093}}^1$

素因数の和:13199

約数の個数: 24

約数和(自身を含む): 53894904

約数和(自身を除く): 28494484

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 970, 1940, 13093, 26186, 52372, 65465, 130930, 261860, 1270021, 2540042, 5080084, 6350105, 12700210, 25400420]

約数ペア:

[(1, 25400420), (2, 12700210), (4, 6350105), (5, 5080084), (10, 2540042), (20, 1270021), (97, 261860), (194, 130930), (388, 65465), (485, 52372), (970, 26186), (1940, 13093)]