7780040

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{2903}}^1$

素因数の和:2981

約数の個数: 32

約数和(自身を含む): 17772480

約数和(自身を除く): 9992440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 268, 335, 536, 670, 1340, 2680, 2903, 5806, 11612, 14515, 23224, 29030, 58060, 116120, 194501, 389002, 778004, 972505, 1556008, 1945010, 3890020, 7780040]

約数ペア:

[(1, 7780040), (2, 3890020), (4, 1945010), (5, 1556008), (8, 972505), (10, 778004), (20, 389002), (40, 194501), (67, 116120), (134, 58060), (268, 29030), (335, 23224), (536, 14515), (670, 11612), (1340, 5806), (2680, 2903)]