78097220

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{205519}}^1$

素因数の和:205547

約数の個数: 24

約数和(自身を含む): 172636800

約数和(自身を除く): 94539580

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 205519, 411038, 822076, 1027595, 2055190, 3904861, 4110380, 7809722, 15619444, 19524305, 39048610, 78097220]

約数ペア:

[(1, 78097220), (2, 39048610), (4, 19524305), (5, 15619444), (10, 7809722), (19, 4110380), (20, 3904861), (38, 2055190), (76, 1027595), (95, 822076), (190, 411038), (380, 205519)]