66872240

素因数分解:

$2^4\times 5^1\times {\mathrm{769}}^1\times {\mathrm{1087}}^1$

素因数の和:1869

約数の個数: 40

約数和(自身を含む): 155823360

約数和(自身を除く): 88951120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 769, 1087, 1538, 2174, 3076, 3845, 4348, 5435, 6152, 7690, 8696, 10870, 12304, 15380, 17392, 21740, 30760, 43480, 61520, 86960, 835903, 1671806, 3343612, 4179515, 6687224, 8359030, 13374448, 16718060, 33436120, 66872240]

約数ペア:

[(1, 66872240), (2, 33436120), (4, 16718060), (5, 13374448), (8, 8359030), (10, 6687224), (16, 4179515), (20, 3343612), (40, 1671806), (80, 835903), (769, 86960), (1087, 61520), (1538, 43480), (2174, 30760), (3076, 21740), (3845, 17392), (4348, 15380), (5435, 12304), (6152, 10870), (7690, 8696)]