66887660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{477769}}^1$

素因数の和:477785

約数の個数: 24

約数和(自身を含む): 160530720

約数和(自身を除く): 93643060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 477769, 955538, 1911076, 2388845, 3344383, 4777690, 6688766, 9555380, 13377532, 16721915, 33443830, 66887660]

約数ペア:

[(1, 66887660), (2, 33443830), (4, 16721915), (5, 13377532), (7, 9555380), (10, 6688766), (14, 4777690), (20, 3344383), (28, 2388845), (35, 1911076), (70, 955538), (140, 477769)]