64518020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{460843}}^1$

素因数の和:460859

約数の個数: 24

約数和(自身を含む): 154843584

約数和(自身を除く): 90325564

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 460843, 921686, 1843372, 2304215, 3225901, 4608430, 6451802, 9216860, 12903604, 16129505, 32259010, 64518020]

約数ペア:

[(1, 64518020), (2, 32259010), (4, 16129505), (5, 12903604), (7, 9216860), (10, 6451802), (14, 4608430), (20, 3225901), (28, 2304215), (35, 1843372), (70, 921686), (140, 460843)]