72108580

素因数分解:

$2^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{26317}}^1$

素因数の和:26463

約数の個数: 24

約数和(自身を含む): 152539128

約数和(自身を除く): 80430548

約数列:

[1, 2, 4, 5, 10, 20, 137, 274, 548, 685, 1370, 2740, 26317, 52634, 105268, 131585, 263170, 526340, 3605429, 7210858, 14421716, 18027145, 36054290, 72108580]

約数ペア:

[(1, 72108580), (2, 36054290), (4, 18027145), (5, 14421716), (10, 7210858), (20, 3605429), (137, 526340), (274, 263170), (548, 131585), (685, 105268), (1370, 52634), (2740, 26317)]