217590080

素因数分解:

$2^6\times 5^1\times {\mathrm{679969}}^1$

素因数の和:679986

約数の個数: 28

約数和(自身を含む): 518137140

約数和(自身を除く): 300547060

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 679969, 1359938, 2719876, 3399845, 5439752, 6799690, 10879504, 13599380, 21759008, 27198760, 43518016, 54397520, 108795040, 217590080]

約数ペア:

[(1, 217590080), (2, 108795040), (4, 54397520), (5, 43518016), (8, 27198760), (10, 21759008), (16, 13599380), (20, 10879504), (32, 6799690), (40, 5439752), (64, 3399845), (80, 2719876), (160, 1359938), (320, 679969)]