80790128

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{265757}}^1$

素因数の和:265784

約数の個数: 20

約数和(自身を含む): 164769960

約数和(自身を除く): 83979832

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 265757, 531514, 1063028, 2126056, 4252112, 5049383, 10098766, 20197532, 40395064, 80790128]

約数ペア:

[(1, 80790128), (2, 40395064), (4, 20197532), (8, 10098766), (16, 5049383), (19, 4252112), (38, 2126056), (76, 1063028), (152, 531514), (304, 265757)]