28772740

素因数分解:

$2^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{10501}}^1$

素因数の和:10647

約数の個数: 24

約数和(自身を含む): 60869592

約数和(自身を除く): 32096852

約数列:

[1, 2, 4, 5, 10, 20, 137, 274, 548, 685, 1370, 2740, 10501, 21002, 42004, 52505, 105010, 210020, 1438637, 2877274, 5754548, 7193185, 14386370, 28772740]

約数ペア:

[(1, 28772740), (2, 14386370), (4, 7193185), (5, 5754548), (10, 2877274), (20, 1438637), (137, 210020), (274, 105010), (548, 52505), (685, 42004), (1370, 21002), (2740, 10501)]