78048580

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{205391}}^1$

素因数の和:205419

約数の個数: 24

約数和(自身を含む): 172529280

約数和(自身を除く): 94480700

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 205391, 410782, 821564, 1026955, 2053910, 3902429, 4107820, 7804858, 15609716, 19512145, 39024290, 78048580]

約数ペア:

[(1, 78048580), (2, 39024290), (4, 19512145), (5, 15609716), (10, 7804858), (19, 4107820), (20, 3902429), (38, 2053910), (76, 1026955), (95, 821564), (190, 410782), (380, 205391)]