15667416080

素因数分解:

$2^4\times 5^1\times {\mathrm{195842701}}^1$

素因数の和:195842714

約数の個数: 20

約数和(自身を含む): 36426742572

約数和(自身を除く): 20759326492

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 195842701, 391685402, 783370804, 979213505, 1566741608, 1958427010, 3133483216, 3916854020, 7833708040, 15667416080]

約数ペア:

[(1, 15667416080), (2, 7833708040), (4, 3916854020), (5, 3133483216), (8, 1958427010), (10, 1566741608), (16, 979213505), (20, 783370804), (40, 391685402), (80, 195842701)]