15640090

素因数分解:

$2^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{11939}}^1$

素因数の和:12077

約数の個数: 16

約数和(自身を含む): 28369440

約数和(自身を除く): 12729350

約数列:

[1, 2, 5, 10, 131, 262, 655, 1310, 11939, 23878, 59695, 119390, 1564009, 3128018, 7820045, 15640090]

約数ペア:

[(1, 15640090), (2, 7820045), (5, 3128018), (10, 1564009), (131, 119390), (262, 59695), (655, 23878), (1310, 11939)]