81782060

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{57593}}^1$

素因数の和:57673

約数の個数: 24

約数和(自身を含む): 174164256

約数和(自身を除く): 92382196

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 57593, 115186, 230372, 287965, 575930, 1151860, 4089103, 8178206, 16356412, 20445515, 40891030, 81782060]

約数ペア:

[(1, 81782060), (2, 40891030), (4, 20445515), (5, 16356412), (10, 8178206), (20, 4089103), (71, 1151860), (142, 575930), (284, 287965), (355, 230372), (710, 115186), (1420, 57593)]