64767460

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{593}}^1$

素因数の和:772

約数の個数: 48

約数和(自身を含む): 140507136

約数和(自身を除く): 75739676

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 127, 172, 215, 254, 430, 508, 593, 635, 860, 1186, 1270, 2372, 2540, 2965, 5461, 5930, 10922, 11860, 21844, 25499, 27305, 50998, 54610, 75311, 101996, 109220, 127495, 150622, 254990, 301244, 376555, 509980, 753110, 1506220, 3238373, 6476746, 12953492, 16191865, 32383730, 64767460]

約数ペア:

[(1, 64767460), (2, 32383730), (4, 16191865), (5, 12953492), (10, 6476746), (20, 3238373), (43, 1506220), (86, 753110), (127, 509980), (172, 376555), (215, 301244), (254, 254990), (430, 150622), (508, 127495), (593, 109220), (635, 101996), (860, 75311), (1186, 54610), (1270, 50998), (2372, 27305), (2540, 25499), (2965, 21844), (5461, 11860), (5930, 10922)]