72648640

素因数分解:

$2^6\times 5^1\times {\mathrm{227027}}^1$

素因数の和:227044

約数の個数: 28

約数和(自身を含む): 172995336

約数和(自身を除く): 100346696

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 227027, 454054, 908108, 1135135, 1816216, 2270270, 3632432, 4540540, 7264864, 9081080, 14529728, 18162160, 36324320, 72648640]

約数ペア:

[(1, 72648640), (2, 36324320), (4, 18162160), (5, 14529728), (8, 9081080), (10, 7264864), (16, 4540540), (20, 3632432), (32, 2270270), (40, 1816216), (64, 1135135), (80, 908108), (160, 454054), (320, 227027)]