5538317480

素因数分解:

$2^3\times 5^1\times {\mathrm{389}}^1\times {\mathrm{355933}}^1$

素因数の和:356333

約数の個数: 32

約数和(自身を含む): 12493283400

約数和(自身を除く): 6954965920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 389, 778, 1556, 1945, 3112, 3890, 7780, 15560, 355933, 711866, 1423732, 1779665, 2847464, 3559330, 7118660, 14237320, 138457937, 276915874, 553831748, 692289685, 1107663496, 1384579370, 2769158740, 5538317480]

約数ペア:

[(1, 5538317480), (2, 2769158740), (4, 1384579370), (5, 1107663496), (8, 692289685), (10, 553831748), (20, 276915874), (40, 138457937), (389, 14237320), (778, 7118660), (1556, 3559330), (1945, 2847464), (3112, 1779665), (3890, 1423732), (7780, 711866), (15560, 355933)]