80521904

素因数分解:

$2^4\times {\mathrm{47}}^1\times {\mathrm{107077}}^1$

素因数の和:107132

約数の個数: 20

約数和(自身を含む): 159332064

約数和(自身を除く): 78810160

約数列:

[1, 2, 4, 8, 16, 47, 94, 188, 376, 752, 107077, 214154, 428308, 856616, 1713232, 5032619, 10065238, 20130476, 40260952, 80521904]

約数ペア:

[(1, 80521904), (2, 40260952), (4, 20130476), (8, 10065238), (16, 5032619), (47, 1713232), (94, 856616), (188, 428308), (376, 214154), (752, 107077)]