29128885640

素因数分解:

$2^3\times 5^1\times {\mathrm{728222141}}^1$

素因数の和:728222152

約数の個数: 16

約数和(自身を含む): 65539992780

約数和(自身を除く): 36411107140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 728222141, 1456444282, 2912888564, 3641110705, 5825777128, 7282221410, 14564442820, 29128885640]

約数ペア:

[(1, 29128885640), (2, 14564442820), (4, 7282221410), (5, 5825777128), (8, 3641110705), (10, 2912888564), (20, 1456444282), (40, 728222141)]