8266123780

素因数分解:

$2^2\times 5^1\times {\mathrm{413306189}}^1$

素因数の和:413306198

約数の個数: 12

約数和(自身を含む): 17358859980

約数和(自身を除く): 9092736200

約数列:

[1, 2, 4, 5, 10, 20, 413306189, 826612378, 1653224756, 2066530945, 4133061890, 8266123780]

約数ペア:

[(1, 8266123780), (2, 4133061890), (4, 2066530945), (5, 1653224756), (10, 826612378), (20, 413306189)]