67854860

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{78901}}^1$

素因数の和:78953

約数の個数: 24

約数和(自身を含む): 145810896

約数和(自身を除く): 77956036

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 78901, 157802, 315604, 394505, 789010, 1578020, 3392743, 6785486, 13570972, 16963715, 33927430, 67854860]

約数ペア:

[(1, 67854860), (2, 33927430), (4, 16963715), (5, 13570972), (10, 6785486), (20, 3392743), (43, 1578020), (86, 789010), (172, 394505), (215, 315604), (430, 157802), (860, 78901)]