81964460

素因数分解:

$2^2\times 5^1\times {\mathrm{593}}^1\times {\mathrm{6911}}^1$

素因数の和:7513

約数の個数: 24

約数和(自身を含む): 172440576

約数和(自身を除く): 90476116

約数列:

[1, 2, 4, 5, 10, 20, 593, 1186, 2372, 2965, 5930, 6911, 11860, 13822, 27644, 34555, 69110, 138220, 4098223, 8196446, 16392892, 20491115, 40982230, 81964460]

約数ペア:

[(1, 81964460), (2, 40982230), (4, 20491115), (5, 16392892), (10, 8196446), (20, 4098223), (593, 138220), (1186, 69110), (2372, 34555), (2965, 27644), (5930, 13822), (6911, 11860)]