80770676

素因数分解:

$2^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{20753}}^1$

素因数の和:20903

約数の個数: 24

約数和(自身を含む): 162711360

約数和(自身を除く): 81940684

約数列:

[1, 2, 4, 7, 14, 28, 139, 278, 556, 973, 1946, 3892, 20753, 41506, 83012, 145271, 290542, 581084, 2884667, 5769334, 11538668, 20192669, 40385338, 80770676]

約数ペア:

[(1, 80770676), (2, 40385338), (4, 20192669), (7, 11538668), (14, 5769334), (28, 2884667), (139, 581084), (278, 290542), (556, 145271), (973, 83012), (1946, 41506), (3892, 20753)]