133566080

素因数分解:

$2^7\times 5^1\times {\mathrm{208697}}^1$

素因数の和:208716

約数の個数: 32

約数和(自身を含む): 319307940

約数和(自身を除く): 185741860

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 208697, 417394, 834788, 1043485, 1669576, 2086970, 3339152, 4173940, 6678304, 8347880, 13356608, 16695760, 26713216, 33391520, 66783040, 133566080]

約数ペア:

[(1, 133566080), (2, 66783040), (4, 33391520), (5, 26713216), (8, 16695760), (10, 13356608), (16, 8347880), (20, 6678304), (32, 4173940), (40, 3339152), (64, 2086970), (80, 1669576), (128, 1043485), (160, 834788), (320, 417394), (640, 208697)]