1811106160

素因数分解:

$2^4\times 5^1\times {\mathrm{22638827}}^1$

素因数の和:22638840

約数の個数: 20

約数和(自身を含む): 4210822008

約数和(自身を除く): 2399715848

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 22638827, 45277654, 90555308, 113194135, 181110616, 226388270, 362221232, 452776540, 905553080, 1811106160]

約数ペア:

[(1, 1811106160), (2, 905553080), (4, 452776540), (5, 362221232), (8, 226388270), (10, 181110616), (16, 113194135), (20, 90555308), (40, 45277654), (80, 22638827)]