49771880

素因数分解:

$2^3\times 5^1\times {\mathrm{431}}^1\times {\mathrm{2887}}^1$

素因数の和:3329

約数の個数: 32

約数和(自身を含む): 112285440

約数和(自身を除く): 62513560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 431, 862, 1724, 2155, 2887, 3448, 4310, 5774, 8620, 11548, 14435, 17240, 23096, 28870, 57740, 115480, 1244297, 2488594, 4977188, 6221485, 9954376, 12442970, 24885940, 49771880]

約数ペア:

[(1, 49771880), (2, 24885940), (4, 12442970), (5, 9954376), (8, 6221485), (10, 4977188), (20, 2488594), (40, 1244297), (431, 115480), (862, 57740), (1724, 28870), (2155, 23096), (2887, 17240), (3448, 14435), (4310, 11548), (5774, 8620)]