76639280

素因数分解:

$2^4\times 5^1\times {\mathrm{957991}}^1$

素因数の和:958004

約数の個数: 20

約数和(自身を含む): 178186512

約数和(自身を除く): 101547232

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 957991, 1915982, 3831964, 4789955, 7663928, 9579910, 15327856, 19159820, 38319640, 76639280]

約数ペア:

[(1, 76639280), (2, 38319640), (4, 19159820), (5, 15327856), (8, 9579910), (10, 7663928), (16, 4789955), (20, 3831964), (40, 1915982), (80, 957991)]