133657840

素因数分解:

$2^4\times 5^1\times {\mathrm{1670723}}^1$

素因数の和:1670736

約数の個数: 20

約数和(自身を含む): 310754664

約数和(自身を除く): 177096824

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1670723, 3341446, 6682892, 8353615, 13365784, 16707230, 26731568, 33414460, 66828920, 133657840]

約数ペア:

[(1, 133657840), (2, 66828920), (4, 33414460), (5, 26731568), (8, 16707230), (10, 13365784), (16, 8353615), (20, 6682892), (40, 3341446), (80, 1670723)]