26560784

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{2131}}^1$

素因数の和:2199

約数の個数: 40

約数和(自身を含む): 55517280

約数和(自身を除く): 28956496

約数列:

[1, 2, 4, 8, 16, 19, 38, 41, 76, 82, 152, 164, 304, 328, 656, 779, 1558, 2131, 3116, 4262, 6232, 8524, 12464, 17048, 34096, 40489, 80978, 87371, 161956, 174742, 323912, 349484, 647824, 698968, 1397936, 1660049, 3320098, 6640196, 13280392, 26560784]

約数ペア:

[(1, 26560784), (2, 13280392), (4, 6640196), (8, 3320098), (16, 1660049), (19, 1397936), (38, 698968), (41, 647824), (76, 349484), (82, 323912), (152, 174742), (164, 161956), (304, 87371), (328, 80978), (656, 40489), (779, 34096), (1558, 17048), (2131, 12464), (3116, 8524), (4262, 6232)]