869040080

素因数分解:

$2^4\times 5^1\times {\mathrm{10863001}}^1$

素因数の和:10863014

約数の個数: 20

約数和(自身を含む): 2020518372

約数和(自身を除く): 1151478292

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 10863001, 21726002, 43452004, 54315005, 86904008, 108630010, 173808016, 217260020, 434520040, 869040080]

約数ペア:

[(1, 869040080), (2, 434520040), (4, 217260020), (5, 173808016), (8, 108630010), (10, 86904008), (16, 54315005), (20, 43452004), (40, 21726002), (80, 10863001)]