1375480

素因数分解:

$2^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{251}}^1$

素因数の和:399

約数の個数: 32

約数和(自身を含む): 3129840

約数和(自身を除く): 1754360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 137, 251, 274, 502, 548, 685, 1004, 1096, 1255, 1370, 2008, 2510, 2740, 5020, 5480, 10040, 34387, 68774, 137548, 171935, 275096, 343870, 687740, 1375480]

約数ペア:

[(1, 1375480), (2, 687740), (4, 343870), (5, 275096), (8, 171935), (10, 137548), (20, 68774), (40, 34387), (137, 10040), (251, 5480), (274, 5020), (502, 2740), (548, 2510), (685, 2008), (1004, 1370), (1096, 1255)]