1288580

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{3391}}^1$

素因数の和:3419

約数の個数: 24

約数和(自身を含む): 2849280

約数和(自身を除く): 1560700

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 3391, 6782, 13564, 16955, 33910, 64429, 67820, 128858, 257716, 322145, 644290, 1288580]

約数ペア:

[(1, 1288580), (2, 644290), (4, 322145), (5, 257716), (10, 128858), (19, 67820), (20, 64429), (38, 33910), (76, 16955), (95, 13564), (190, 6782), (380, 3391)]