25111120

素因数分解:

$2^4\times 5^1\times {\mathrm{313889}}^1$

素因数の和:313902

約数の個数: 20

約数和(自身を含む): 58383540

約数和(自身を除く): 33272420

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 313889, 627778, 1255556, 1569445, 2511112, 3138890, 5022224, 6277780, 12555560, 25111120]

約数ペア:

[(1, 25111120), (2, 12555560), (4, 6277780), (5, 5022224), (8, 3138890), (10, 2511112), (16, 1569445), (20, 1255556), (40, 627778), (80, 313889)]