79655480

素因数分解:

$2^3\times 5^1\times {\mathrm{1991387}}^1$

素因数の和:1991398

約数の個数: 16

約数和(自身を含む): 179224920

約数和(自身を除く): 99569440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1991387, 3982774, 7965548, 9956935, 15931096, 19913870, 39827740, 79655480]

約数ペア:

[(1, 79655480), (2, 39827740), (4, 19913870), (5, 15931096), (8, 9956935), (10, 7965548), (20, 3982774), (40, 1991387)]