71358776080

素因数分解:

$2^4\times 5^1\times {\mathrm{891984701}}^1$

素因数の和:891984714

約数の個数: 20

約数和(自身を含む): 165909154572

約数和(自身を除く): 94550378492

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 891984701, 1783969402, 3567938804, 4459923505, 7135877608, 8919847010, 14271755216, 17839694020, 35679388040, 71358776080]

約数ペア:

[(1, 71358776080), (2, 35679388040), (4, 17839694020), (5, 14271755216), (8, 8919847010), (10, 7135877608), (16, 4459923505), (20, 3567938804), (40, 1783969402), (80, 891984701)]