81633080

素因数分解:

$2^3\times 5^1\times {\mathrm{2040827}}^1$

素因数の和:2040838

約数の個数: 16

約数和(自身を含む): 183674520

約数和(自身を除く): 102041440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2040827, 4081654, 8163308, 10204135, 16326616, 20408270, 40816540, 81633080]

約数ペア:

[(1, 81633080), (2, 40816540), (4, 20408270), (5, 16326616), (8, 10204135), (10, 8163308), (20, 4081654), (40, 2040827)]