51610280

素因数分解:

$2^3\times 5^1\times {\mathrm{1290257}}^1$

素因数の和:1290268

約数の個数: 16

約数和(自身を含む): 116123220

約数和(自身を除く): 64512940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1290257, 2580514, 5161028, 6451285, 10322056, 12902570, 25805140, 51610280]

約数ペア:

[(1, 51610280), (2, 25805140), (4, 12902570), (5, 10322056), (8, 6451285), (10, 5161028), (20, 2580514), (40, 1290257)]