129871010

素因数分解:

$2^1\times 5^1\times {\mathrm{2543}}^1\times {\mathrm{5107}}^1$

素因数の和:7657

約数の個数: 16

約数和(自身を含む): 233905536

約数和(自身を除く): 104034526

約数列:

[1, 2, 5, 10, 2543, 5086, 5107, 10214, 12715, 25430, 25535, 51070, 12987101, 25974202, 64935505, 129871010]

約数ペア:

[(1, 129871010), (2, 64935505), (5, 25974202), (10, 12987101), (2543, 51070), (5086, 25535), (5107, 25430), (10214, 12715)]