66145660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{472469}}^1$

素因数の和:472485

約数の個数: 24

約数和(自身を含む): 158749920

約数和(自身を除く): 92604260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 472469, 944938, 1889876, 2362345, 3307283, 4724690, 6614566, 9449380, 13229132, 16536415, 33072830, 66145660]

約数ペア:

[(1, 66145660), (2, 33072830), (4, 16536415), (5, 13229132), (7, 9449380), (10, 6614566), (14, 4724690), (20, 3307283), (28, 2362345), (35, 1889876), (70, 944938), (140, 472469)]