40080080

素因数分解:

$2^4\times 5^1\times {\mathrm{501001}}^1$

素因数の和:501014

約数の個数: 20

約数和(自身を含む): 93186372

約数和(自身を除く): 53106292

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 501001, 1002002, 2004004, 2505005, 4008008, 5010010, 8016016, 10020020, 20040040, 40080080]

約数ペア:

[(1, 40080080), (2, 20040040), (4, 10020020), (5, 8016016), (8, 5010010), (10, 4008008), (16, 2505005), (20, 2004004), (40, 1002002), (80, 501001)]