66943940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{478171}}^1$

素因数の和:478187

約数の個数: 24

約数和(自身を含む): 160665792

約数和(自身を除く): 93721852

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 478171, 956342, 1912684, 2390855, 3347197, 4781710, 6694394, 9563420, 13388788, 16735985, 33471970, 66943940]

約数ペア:

[(1, 66943940), (2, 33471970), (4, 16735985), (5, 13388788), (7, 9563420), (10, 6694394), (14, 4781710), (20, 3347197), (28, 2390855), (35, 1912684), (70, 956342), (140, 478171)]