91242880

素因数分解:

$2^7\times 5^1\times {\mathrm{142567}}^1$

素因数の和:142586

約数の個数: 32

約数和(自身を含む): 218129040

約数和(自身を除く): 126886160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 142567, 285134, 570268, 712835, 1140536, 1425670, 2281072, 2851340, 4562144, 5702680, 9124288, 11405360, 18248576, 22810720, 45621440, 91242880]

約数ペア:

[(1, 91242880), (2, 45621440), (4, 22810720), (5, 18248576), (8, 11405360), (10, 9124288), (16, 5702680), (20, 4562144), (32, 2851340), (40, 2281072), (64, 1425670), (80, 1140536), (128, 712835), (160, 570268), (320, 285134), (640, 142567)]