77798080

素因数分解:

$2^6\times 5^1\times {\mathrm{243119}}^1$

素因数の和:243136

約数の個数: 28

約数和(自身を含む): 185257440

約数和(自身を除く): 107459360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 243119, 486238, 972476, 1215595, 1944952, 2431190, 3889904, 4862380, 7779808, 9724760, 15559616, 19449520, 38899040, 77798080]

約数ペア:

[(1, 77798080), (2, 38899040), (4, 19449520), (5, 15559616), (8, 9724760), (10, 7779808), (16, 4862380), (20, 3889904), (32, 2431190), (40, 1944952), (64, 1215595), (80, 972476), (160, 486238), (320, 243119)]