138605840

素因数分解:

$2^4\times 5^1\times {\mathrm{443}}^1\times {\mathrm{3911}}^1$

素因数の和:4367

約数の個数: 40

約数和(自身を含む): 323068608

約数和(自身を除く): 184462768

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 443, 886, 1772, 2215, 3544, 3911, 4430, 7088, 7822, 8860, 15644, 17720, 19555, 31288, 35440, 39110, 62576, 78220, 156440, 312880, 1732573, 3465146, 6930292, 8662865, 13860584, 17325730, 27721168, 34651460, 69302920, 138605840]

約数ペア:

[(1, 138605840), (2, 69302920), (4, 34651460), (5, 27721168), (8, 17325730), (10, 13860584), (16, 8662865), (20, 6930292), (40, 3465146), (80, 1732573), (443, 312880), (886, 156440), (1772, 78220), (2215, 62576), (3544, 39110), (3911, 35440), (4430, 31288), (7088, 19555), (7822, 17720), (8860, 15644)]