12543022420

素因数分解:

$2^2\times 5^1\times {\mathrm{627151121}}^1$

素因数の和:627151130

約数の個数: 12

約数和(自身を含む): 26340347124

約数和(自身を除く): 13797324704

約数列:

[1, 2, 4, 5, 10, 20, 627151121, 1254302242, 2508604484, 3135755605, 6271511210, 12543022420]

約数ペア:

[(1, 12543022420), (2, 6271511210), (4, 3135755605), (5, 2508604484), (10, 1254302242), (20, 627151121)]