2000661640

素因数分解:

$2^3\times 5^1\times {\mathrm{50016541}}^1$

素因数の和:50016552

約数の個数: 16

約数和(自身を含む): 4501488780

約数和(自身を除く): 2500827140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 50016541, 100033082, 200066164, 250082705, 400132328, 500165410, 1000330820, 2000661640]

約数ペア:

[(1, 2000661640), (2, 1000330820), (4, 500165410), (5, 400132328), (8, 250082705), (10, 200066164), (20, 100033082), (40, 50016541)]