78224260

素因数分解:

$2^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{28549}}^1$

素因数の和:28695

約数の個数: 24

約数和(自身を含む): 165475800

約数和(自身を除く): 87251540

約数列:

[1, 2, 4, 5, 10, 20, 137, 274, 548, 685, 1370, 2740, 28549, 57098, 114196, 142745, 285490, 570980, 3911213, 7822426, 15644852, 19556065, 39112130, 78224260]

約数ペア:

[(1, 78224260), (2, 39112130), (4, 19556065), (5, 15644852), (10, 7822426), (20, 3911213), (137, 570980), (274, 285490), (548, 142745), (685, 114196), (1370, 57098), (2740, 28549)]