21030080

素因数分解:

$2^6\times 5^1\times {\mathrm{65719}}^1$

素因数の和:65736

約数の個数: 28

約数和(自身を含む): 50078640

約数和(自身を除く): 29048560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 65719, 131438, 262876, 328595, 525752, 657190, 1051504, 1314380, 2103008, 2628760, 4206016, 5257520, 10515040, 21030080]

約数ペア:

[(1, 21030080), (2, 10515040), (4, 5257520), (5, 4206016), (8, 2628760), (10, 2103008), (16, 1314380), (20, 1051504), (32, 657190), (40, 525752), (64, 328595), (80, 262876), (160, 131438), (320, 65719)]