731232080

素因数分解:

$2^4\times 5^1\times {\mathrm{9140401}}^1$

素因数の和:9140414

約数の個数: 20

約数和(自身を含む): 1700114772

約数和(自身を除く): 968882692

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 9140401, 18280802, 36561604, 45702005, 73123208, 91404010, 146246416, 182808020, 365616040, 731232080]

約数ペア:

[(1, 731232080), (2, 365616040), (4, 182808020), (5, 146246416), (8, 91404010), (10, 73123208), (16, 45702005), (20, 36561604), (40, 18280802), (80, 9140401)]