89681060

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{640579}}^1$

素因数の和:640595

約数の個数: 24

約数和(自身を含む): 215234880

約数和(自身を除く): 125553820

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 640579, 1281158, 2562316, 3202895, 4484053, 6405790, 8968106, 12811580, 17936212, 22420265, 44840530, 89681060]

約数ペア:

[(1, 89681060), (2, 44840530), (4, 22420265), (5, 17936212), (7, 12811580), (10, 8968106), (14, 6405790), (20, 4484053), (28, 3202895), (35, 2562316), (70, 1281158), (140, 640579)]