161416880

素因数分解:

$2^4\times 5^1\times {\mathrm{2017711}}^1$

素因数の和:2017724

約数の個数: 20

約数和(自身を含む): 375294432

約数和(自身を除く): 213877552

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2017711, 4035422, 8070844, 10088555, 16141688, 20177110, 32283376, 40354220, 80708440, 161416880]

約数ペア:

[(1, 161416880), (2, 80708440), (4, 40354220), (5, 32283376), (8, 20177110), (10, 16141688), (16, 10088555), (20, 8070844), (40, 4035422), (80, 2017711)]