77218640

素因数分解:

$2^4\times 5^1\times {\mathrm{965233}}^1$

素因数の和:965246

約数の個数: 20

約数和(自身を含む): 179533524

約数和(自身を除く): 102314884

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 965233, 1930466, 3860932, 4826165, 7721864, 9652330, 15443728, 19304660, 38609320, 77218640]

約数ペア:

[(1, 77218640), (2, 38609320), (4, 19304660), (5, 15443728), (8, 9652330), (10, 7721864), (16, 4826165), (20, 3860932), (40, 1930466), (80, 965233)]